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140 (another Prime Pages' Curiosity) |
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will be down at times on those day (and possibly the next). (caldwell@utm.edu) The largest prime factor of 140 is 7. Note that 12 + 22 + 32 + 42 + 52 + 62 + 72 = 140. [Cramer] The start of a record-breaking run of 7 consecutive integers (140-146) with an even number of prime factors. Note that 7 is the largest prime factor of 140. [Gupta]
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