Question

what is the GCF of 20 and 30?

Answer 1

20=2*2*5
30=2*3*5

Answer 2

`The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers: List the prime factors of each number. Multiply those factors both numbers have in common. If there are no common prime factors, the GCF is 1.`

Answer 3

its 10

Answer 4

thank you i have another question what is the LCM 15 and 60

Answer 5

umm
1 sec

Answer 6

the answer is 60

Answer 7

did you get it right?