五年级下册数学因数与倍数练习题1.docx

1、五年级下册数学因数与倍数练习题1五年级下册数学因数与倍数练习题1因数和倍数综合练习题 一、判断题 1、任何自然数，它的最大因数和最小倍数都是它本身( ( ) 2、一个数的倍数一定大于这个数的因数( ( ) 3、因为1.2?0.6=2，所以1.2是0.6倍数( ( ) 4、一个数的因数的个数是有限的，一个数的倍数的个数是无限的( ( ) 5、5是因数，10是倍数( ( ) 6、36的全部因数是2、3、4、6、9、12和18，共有7个( ( ) 7、因为18?9=2，所以18是倍数，9是因数( ( ) 8、25?10=2.5，商没有余数，所以25是10倍数( ( ) 9、任何一个自然数最少有两个因

2、数( ( ) 10、一个数如果是24的倍数，则这个数一定是4和8的倍数( ( ) 11、15的倍数有15、30、45( ( ) 12、一个自然数越大，它的因数个数就越多( ( ) 13、任何自然数，它的最大因数和最小倍数都是它本身( ( ) 14、一个数的倍数一定大于这个数的因数( ( ) 15、两个质数相乘的积还是质数。( ) 16、一个合数至少得有三个因数。( ) 17、在自然数列中，除2以外，所有的偶数都是合数。( ) 18、15的因数有3和5。 ( ) 19、在140的数中，36是4最大的倍数。( ) 20、是16的因数，16是16的倍数。 ( ) 21、8的因数只有2，4。 ( )

3、22、一个数的最大因数和最小倍数都是它本身，也就是说一个数的最大因数等于它的最小倍数。 ( ) 23、任何数都没有最大的倍数。 ( ) 24、1是所有非零自然数的因数。 ( ) 25、所有的偶数都是合数。 ( ) real, in each pen business lending Qian not for by pen query, led to mortgage failure of. (Vi) not in accordance with the relevant provisions of the Bank operation, failed to identify false doc

4、uments, certificates, authorizations, warrants, etc. (VII) in the credit risk management system to provide false information, is not required by the guest rating credit management objective, impartial ratings of credit, resulting in credit decision-making errors. (H) the investigation report conclus

5、ions of false record, misleading statement or material omission, resulting in credit decision-making errors. (I) the orders, directives, orders, suggest that others not involved in the investigation business, issued by the investigators. (10) without the approval of authorities, after the first cred

6、it investigation, credit first and then record, counter-current process operations such as operation prior to approval. (11) article does not meet the risk management Department, Marketing Management Department to carry out supervision and inspection and due diligence evaluations or providing false

7、information. (12) other violations result in credit business at substantial risk or significant potential risk behaviours. Sixth chapter supplementary articles article 28th of this approach by the Head Office of risk management Department is responsible for the interpretation and amendment. 29th spo

8、ntaneous herein from the date of implementation. Qilu silver computer transmission of qilu Bank documents (2012), No. 289Qilu Bank personal credit on issuing the Notification Guide to business risk management branch, jurisdiction and the jurisdiction of business lines, Jinan branch, head office depa

9、rtments within its jurisdiction: in order to improve the quality of individual credit business, optimize the structure of assets, promotion of 26、质数与质数的乘积还是质数。 ( ) 27、个位上是3、6、9的数都能被3整除。 ( ) 28、一个数的因数总是比这个数小。( ) 29、743的个位上是3，所以743是3的倍数。( ) 30、100以内的最大质数是99。( ) ) 31、个位上是0的数都是2和5的倍数。( 二、填空。 1、在50以内的自然数

10、中，最大的质数是( )，最小的合数是( )。 2、既是质数又是奇数的最小的一位数是( )。 3、在20以内的质数中，( )加上2还是质数。 4、如果有两个质数的和等于24，可以是( )，( )，( )，( )或( )，( )。 5、一个数的最小倍数减去它的最大因数，差是( )。 、一个数的最小倍数除以它的最大因数，商是( )。 67、一个自然数比20小，它既是2的倍数，又有因数7，这个自然数是()。 8、如果a的最大因数是17，b的最小倍数是1，则a+b的和的所有因数有( )个;a-b的差的所有因数有( )个;ab的积的所有因数有( )个。 9、比6小的自然数中，其中2是( )的因数，又是(

11、)的倍数。 10、个位上是( )的数，都能被2整除;个位上是( )的数，都能被5整除。 11、在自然数中，最小的奇数是( )，最小的偶数是( )，最小的质数是( )，最小的合数是( )。 12、同时是2和5倍数的数，最小两位数是( )，最大两位数是( )。 13、1024至少减去( )就是3的倍数，1708至少加上 ( )就是5的倍数。 14、质数只有( )个因数，它们分别是( )和( )。 15、一个合数至少有( )个因数，( )既不是质数，也不是合数。 16、自然数中，既是质数又是偶数的是( )。 17、在20至30中，不能分解质因数的数是( )。 18、三个连续偶数的和是186，这三个偶

12、数是( )、( )、 ( )。 real, in each pen business lending Qian not for by pen query, led to mortgage failure of. (Vi) not in accordance with the relevant provisions of the Bank operation, failed to identify false documents, certificates, authorizations, warrants, etc. (VII) in the credit risk management sy

13、stem to provide false information, is not required by the guest rating credit management objective, impartial ratings of credit, resulting in credit decision-making errors. (H) the investigation report conclusions of false record, misleading statement or material omission, resulting in credit decisi

14、on-making errors. (I) the orders, directives, orders, suggest that others not involved in the investigation business, issued by the investigators. (10) without the approval of authorities, after the first credit investigation, credit first and then record, counter-current process operations such as

15、operation prior to approval. (11) article does not meet the risk management Department, Marketing Management Department to carry out supervision and inspection and due diligence evaluations or providing false information. (12) other violations result in credit business at substantial risk or signifi

16、cant potential risk behaviours. Sixth chapter supplementary articles article 28th of this approach by the Head Office of risk management Department is responsible for the interpretation and amendment. 29th spontaneous herein from the date of implementation. Qilu silver computer transmission of qilu

17、Bank documents (2012), No. 289Qilu Bank personal credit on issuing the Notification Guide to business risk management branch, jurisdiction and the jurisdiction of business lines, Jinan branch, head office departments within its jurisdiction: in order to improve the quality of individual credit busin

18、ess, optimize the structure of assets, promotion of 19、我是54的因数，又是9的倍数，同时我的因数有2和3。( ) 20、我是50以内7的倍数，我得其中一个因数是4。( ) 21、我是30的因数，又是2和5的倍数。( ) 22、我是36的因数，也是2和3的倍数，而且比15小。( ) 23、 根据算式254=100，( )是( )的因数，( )也是( )的因数;)是( )的倍数，( )也是( )的倍数。 ( 24、在120的自然数中，奇数有( )，偶数有( )质数有( )，合数有( )。 25、 在18、29、45、30、17、72、58、4

19、3、75、100中，2的倍数有( );3的倍数有( );5的倍数有( )，既是2的倍数又是5的倍数有( )，既是3 的倍数又是5的倍数有( )。 26、 48的最小倍数是( )，最大因数是( )。最小因数是( )。 27、 用5、6、7这三个数字，组成是5的倍数的三位数是( );组成一个是3的倍)。 数的最小三位数是( 28、一个自然数的最大因数是24，这个数是( )。 29、在 27、68、44、72、587、602、431、800中。(共4分) 奇数是: 偶数是: 30、在2、3、45、10、22、17、51、91、93、97中。(共5分) 质数是: 合数是: 31、按要求做。(67题共1

20、2分) 从0、3、5、7、这4个数中，选出三个组成三位数。 (1)组成的数是2的倍数有: 。 (2)组成的数是5的倍数有: 。 (3)组成的数是3的倍数有: 。 32、偶数+偶数= 奇数+奇数= 偶数+奇数= 三、选择题 real, in each pen business lending Qian not for by pen query, led to mortgage failure of. (Vi) not in accordance with the relevant provisions of the Bank operation, failed to identify false

21、 documents, certificates, authorizations, warrants, etc. (VII) in the credit risk management system to provide false information, is not required by the guest rating credit management objective, impartial ratings of credit, resulting in credit decision-making errors. (H) the investigation report con

22、clusions of false record, misleading statement or material omission, resulting in credit decision-making errors. (I) the orders, directives, orders, suggest that others not involved in the investigation business, issued by the investigators. (10) without the approval of authorities, after the first

23、credit investigation, credit first and then record, counter-current process operations such as operation prior to approval. (11) article does not meet the risk management Department, Marketing Management Department to carry out supervision and inspection and due diligence evaluations or providing fa

24、lse information. (12) other violations result in credit business at substantial risk or significant potential risk behaviours. Sixth chapter supplementary articles article 28th of this approach by the Head Office of risk management Department is responsible for the interpretation and amendment. 29th

25、 spontaneous herein from the date of implementation. Qilu silver computer transmission of qilu Bank documents (2012), No. 289Qilu Bank personal credit on issuing the Notification Guide to business risk management branch, jurisdiction and the jurisdiction of business lines, Jinan branch, head office

26、departments within its jurisdiction: in order to improve the quality of individual credit business, optimize the structure of assets, promotion of 1、15的最大因数是( )，最小倍数是( )。 ?1 ?3 ?5 ?15 2、在14,27中，2和7都是14的( )。 ?质数 ?因数 ?质因数 3、一个数，它既是12的倍数，又是12的因数，这个数是( )。 ?6 ?12 ?24 ?144 4、.一筐苹果，2个一拿，3个一拿，4个一拿，5个一拿都正好拿完

27、而没有余数，这筐苹果最少应有( )。 ?120个 ?90个 ?60个 ?30个 5、把66分解质因数是( )。 ?66,1231 ?66,611 ?66,2311 ?2311,66 6、幼儿园的大班有36个小朋友，中班有48个小朋友，小班有54个小朋友。按班分组，三个班的各组人数一样多，问每组最多有( )个小朋友。 7、自然数中,凡是17的倍数( )。 ?都是偶数 ?有偶数有奇数 ?都是奇数 8、下面的数，因数个数最多的是( )。 A 18 B 36 C 40 9、两个质数的和是( )。 A 偶数 B 奇数 C奇数或偶数 10、自然数按是不是2的倍数来分，可以分为( )。 A奇数和偶数 B质数

28、和合数 C质数、合数、0和1 11、1是( )。 A 质数 B 合数 C 奇数 D 偶数 real, in each pen business lending Qian not for by pen query, led to mortgage failure of. (Vi) not in accordance with the relevant provisions of the Bank operation, failed to identify false documents, certificates, authorizations, warrants, etc. (VII) in

29、the credit risk management system to provide false information, is not required by the guest rating credit management objective, impartial ratings of credit, resulting in credit decision-making errors. (H) the investigation report conclusions of false record, misleading statement or material omissio

30、n, resulting in credit decision-making errors. (I) the orders, directives, orders, suggest that others not involved in the investigation business, issued by the investigators. (10) without the approval of authorities, after the first credit investigation, credit first and then record, counter-curren

31、t process operations such as operation prior to approval. (11) article does not meet the risk management Department, Marketing Management Department to carry out supervision and inspection and due diligence evaluations or providing false information. (12) other violations result in credit business a

32、t substantial risk or significant potential risk behaviours. Sixth chapter supplementary articles article 28th of this approach by the Head Office of risk management Department is responsible for the interpretation and amendment. 29th spontaneous herein from the date of implementation. Qilu silver computer transmission of qilu Bank documents (2012), No. 289Qilu Bank personal credit on issuing the Notification Guide to business risk management branch, jurisdiction and the jurisdiction of business lines, Jinan branch, head o