l GCF of 8 and 20

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Answer
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4

↓Steps Explained:↓



Determine GCF(8,20)

GCF = Largest factor that divides numbers

Determine the factors for 8

1,2,4,8

Determine the factors for 20

1,2,4,5

List the common factors

1,2,4

GCF(8,20) = 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



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