l GCF of 9 and 40

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↓Steps Explained:↓



Determine GCF(9,40)

GCF = Largest factor that divides numbers

Determine the factors for 9

1,3,9

Determine the factors for 40

1,2,4,5,8

List the common factors

1

GCF(9,40) = 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



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