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gcf(440, 560) = 40

Using prime factorisation:

440 = 2³ x 5 x 11

560 = 2⁴ x 5 x 7

hcf = 2³ x 5 = 40

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6y ago
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6y ago

It is 20.

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Q: What is gcf of 440 and 560?
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