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467 and Level 2

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467 is part of the 22nd prime triplet, (461-463-467). The next prime triplet will not occur until (613, 617, 619).

Print the puzzles or type the solution on this excel file:  12 Factors 2015-04-20

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How do we know that 467 is a prime number? If 467 were not a prime number, then it would be divisible by at least one prime number less than or equal to √467 ≈ 21.6102. Since 467 cannot be divided evenly by 2, 3, 5, 7, 11, 13, 17, or 19, we know that 467 is a prime number.

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