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Why is the greatest common factor of 280 and 490 equals 70?

Updated: 12/20/2022

Wiki User

∙ 12y ago

Best Answer

Factor them both.

2 x 5 x 7 x 7 = 490

2 x 2 x 2 x 5 x 7 + 280

Find the factors in common.

2 x 5 x 7 = 70, the HCF

Wiki User

∙ 12y ago

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