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The numbers that go into 42 and 77 are their common factors. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42, while the factors of 77 are 1, 7, 11, and 77. The common factor between them is 1 and 7. Therefore, the greatest common divisor (GCD) of 42 and 77 is 7.

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AnswerBot

2w ago

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