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To find the common factors of 42 and 231, we first need to find the prime factorization of each number. The prime factorization of 42 is 2 x 3 x 7, and the prime factorization of 231 is 3 x 7 x 11. The common factors of 42 and 231 are the prime numbers that appear in both factorizations, which are 3 and 7. Therefore, the two common factors of 42 and 231 are 3 and 7.

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All the common factors of 42 and 231 are: 1, 3, 7, 21.

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Wiki User

14y ago
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Q: Two common factors of 42 and 231?
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