Question

Find the greatest common factor of 30 and 105.

Answer 1

15 because it can go in to 30 to equal 2 and 105 to equal 7

Answer 2

57 is the correct answer.

To get the Greates Common Factor (GCF) of 35 and 105 you need to factor each value first and then you choose all the copies of factors and multiply them.

Hope I helped!