Question

How many different numbers can be made by multiplying 1 by some,all,or none of the prime numbers below?

2,2,2,3,3

Answer 1

12

Explanation:

No threes: 2 4 8

No Twos: 3 9

One Two: 2 * 3 2* 3 * 3

Two Tws: 2*2 *3 2*2*3*3

Three Twos: 2*2*2*3 2*2*2*9

If 1 must be in there then there are no 2s and no 3s

I count 12 of them including no 2s or 3s.