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gcf(75, 45, 90) = 15

Using prime factorization:

75 = 3 x 5²

45 = 3² x 5

90 = 2 x 3² x 5

hcf = 3 x 5 = 15

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8y ago
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10y ago

The GCF is 15.

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Q: What is the greatest common factor of 45 90 75?
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