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Determine GCF(50,100)

GCF = Largest factor that divides numbers

Determine the factors for 50

1,2,5,10,25,50

Determine the factors for 100

1,2,4,5,10,20,25,50

List the common factors

1,2,5,10,25,50


GCF(50,100) = 50

GCF(50,100) = 50

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