16 and 32 have a GCF of 16 because 16 is the largest positive integer that divides evenly into both of those numbers with no remainder.
The GCF of 6 and 10 is 2.
4 and 9 have a GCF of 1
the two smallest numbers are 49 and 14
12 and 16
2 and any other even number.
The GCF of 6 and 10 is 2.
4 and 9 have a GCF of 1
10,20
21 and 42.
30 and 60
15 and 30
the two smallest numbers are 49 and 14
20 and 100.GCF is 20, and LCM is 100.
12 and 66
4 and 8.
12 and 216
Two numbers whose GCF is one are relatively prime or co-prime