# Math - Divisibility and Factors

posted by
**Venus**
.

If c and d are integers, d is divisible by 30, and cd is divisible by 20, c must be divisible by which of the following?

a) 2

b) 4

c) 5

d) 6

e) 10

posted by
**Venus**
.

If c and d are integers, d is divisible by 30, and cd is divisible by 20, c must be divisible by which of the following?

a) 2

b) 4

c) 5

d) 6

e) 10