l GCF of 80 and 246

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Determine GCF(80,246)

GCF = Largest factor that divides numbers

Determine the factors for 80

1,2,4,5,8,10,16,20,40,80

Determine the factors for 246

1,2,3,6,41

List the common factors

1,2



GCF(80,246) = 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