# Multiple & Factors Worksheet-9

Multiple & Factors Worksheet-9

1. L.C.M. of 36 and 72 is:

A. 36                   B. 72                   C. 108                 D. 2

1. L.C.M. of 17 and 5 is:

A. 105                 B. 95                   C. 85                   D. 5

1. H.C.F. of 36 and 144 is:

A. 36                   B. 144                 C. 4                     D. 2

1. HCF of two numbers = _____

A. Product of numbers ÷ their LCM

B. Product of numbers × their HCF

C. Product of numbers

D. none of these

1. HCF of 120, 144 and 216 is:

A. 38                   B. 24                   C. 120                 D. 144

1. Three common multiples of 18 and 6 are?

A. 18, 6, 9          B. 18, 36, 6        C. 36, 54, 72     D. none of these

1. Every number is a ____ and a ____ of itself.

A. factor, multiple                        B. prime, composite

C. even, odd                                  D. none of these

1. A number which is a factor of every number is:

A. 0                     B. 1                      C. 2                D. none of these

1. Difference between a prime (19) and a composite (25) number is:

A. 6                     B. 8                     C. 9                D. 3

1. Number of prime numbers between 50 to 60 is:

A. 1                      B. 2                     C. 3               D. 4