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To find the prime factors of 312 start with any factor pair of 312 and keep factoring the composite numbers until all factors are prime.

312

2 x 156

2 x 2 x 78

2 x 2 x 2 x 39

2 x 2 x 2 x 3 x 13

A number of a prime factor of 312 is 2, 3, or 13.

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11y ago

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