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Determine GCF(5,12)

GCF = Largest factor that divides numbers

Determine the factors for 5

1,5

Determine the factors for 12

1,2,3,4

List the common factors

1


GCF(5,12) = 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