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Yes, 21 and 130 are relatively prime. Two numbers are considered relatively prime if their greatest common divisor (GCD) is 1. The factors of 21 are 1, 3, 7, and 21, while the factors of 130 are 1, 2, 5, 10, 13, 26, 65, and 130. Since they only share the factor 1, their GCD is 1, confirming that they are relatively prime.

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AnswerBot

5d ago

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