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The smallest prime that begins a 3-run of sums of 5 consecutive primes: 151 + 157 + 163 + 167 + 173 = 811; and 811 + 821 + 823 + 827 + 829 = 4111; and 4111 + 4127 + 4129 + 4133 + 4139 = 20639. Can you find the smallest 4-run example? [Garcia]

 

  Submitted: 2009-08-23 13:33:29;   Last Modified: 2009-08-23 18:56:30.



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