Question

The total number of ways in which 18900 can be flit in 2 factors which are relative prime

Answer 1

Answer:

11

Step-by-step explanation:

18900 = 2^2 * 3^3 * 5^2 * 7

For two numbers to be co-prime, they mustn't have a common factor. Hence, all the 2's, 3's, 5's and 7 should belong to one of two numbers, split from 18900.

One type of number in one side and other three type on the other side = 4 ways

Two on each side = 4C2 = 6 way

All on one side and 1 on other = 1 way

Total number of ways = 11