Enter GCF or LCM numbers:

Number 1Number 2(Optional) Enter Number 3
            

Determine GCF(2,6)

GCF = Largest factor that divides numbers

Determine the factors for 2

1,2

Determine the factors for 6

1,2

List the common factors

1,2


GCF(2,6) = 2

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