Enter GCF or LCM numbers:
Determine GCF(60,75)
GCF = Largest factor that divides numbers
Determine the factors for 60
1,2,3,4,5,6,10,12,15,20,30,60
Determine the factors for 75
1,3,5,15,25
List the common factors
1,3,5,15
GCF(60,75) = 15
Evaluate GCF
Since GCF ≠ 1, they are not relatively prime (co-prime)
Since GCF ≠ 1 and have a difference of two, the numbers are not twin prime
