Enter GCF or LCM numbers:
Determine GCF(7,12)
GCF = Largest factor that divides numbers
Determine the factors for 7
1,7
Determine the factors for 12
1,2,3,4,6
List the common factors
1
GCF(7,12) = 1
Evaluate GCF
Since GCF = 1, they are relatively prime (co-prime)
Since GCF ≠ 1 and have a difference of two, the numbers are not twin prime
