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Which pair of numbers has a GCF of 5? A.15 and 30 C.45 and 9 B.5 and 21 D.20 and 55​
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Which pair of numbers has a GCF of 5? A.15 and 30 C.45 and 9 B.5 and 21 D.20 and 55​

User Antonio Beamud
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1 Answer

2 votes

Answer:

D

Explanation:

The GCF in answer choice A is 15.

The GCF in answer choice B is none.

The GCF in answer choice C is 9 since 45 is divisible by 9 and 9 is divisible by itself

D is correct as 55/5 = 11 and cannot be divided anymore. And 20 is divisible by 5

User Stephenmm
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