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What is the GFC of 40 and 60
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What is the GFC of 40 and 60

User Alassane Ndiaye
by
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1 Answer

1 vote

Answer:

GCF: 20

Explanation:

The thing you want to do is factor both numbers down to their lowest primes.

40:2 * 2 * 2 * 5

60:2 * 2 * 5 * 3

Now underline what is in both sets of primes. I'll bold them. The number that is bolded comes from 2 * 2 * 5 which is 20

The highest common factor is 20

User Benzi
by
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