Enter GCF or LCM numbers:
Determine GCF(4,16)
GCF = Largest factor that divides numbers
Determine the factors for 4
1,2,4
Determine the factors for 16
1,2,4
List the common factors
1,2,4
GCF(4,16) = 4
GCF(4,16) = 4
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
