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What is the GCF of 30 40?

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Anonymous

∙ 13y ago
Updated: 8/19/2019

To find the GCF of two numbers you first need to work out the prime factors of those numbers. In this case:

30 = 2x3x5

40 = 2x2x2x5

The next step is to identify any common factors. In this case, both numbers have a 2 and a 5 as prime factors. To find the GCF, we simply multiply these numbers together:

2x5 = 10

Thus the GCF of 30 and 40 is 10.

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∙ 13y ago
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