Factors & Multiples

Factors & Multiples Worksheet-4

11. The greatest prime number less than 100 is:

A. 97                   B. 99                   C. 93                   D. 100

12. LCM of 6, 12 and 18 is:

A. 18                             B. 36                   C. 24                   D. 72

Factors & Multiples Worksheet-5

21. Two numbers which have no other common factor except 1 are called______ numbers.

A. Prime            B. Co-prime      C. Composite    D. Twin prime

22. An example for co-prime number is:

A. 2, 6                 B.  4, 9                C. 11, 33             D. 3, 54