Greatest Common Factors 5

Here's one more:

Find

140 = 2^2 x 5 x 7 ... 900 = 2^2 x 3^2 x 5^2 ... 3000 = 2^3 x 3 x 5^3 ... 2^2 and 5

GCF( 140 , 900 , 3000 ) = 2^2 x 5 = 20

YOUR TURN:

Using the prime factorization method, find

1 2 3 4 5 6 7 8 9 10 11

of 11