This number is a prime.

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137 is the first prime that is the sum of the first K>1 primes of form 4k+3, i.e., 3+7+11+19+23+31+43 = 137. Note that 137 is not a prime of form 4k+3. [Rivera]

Submitted: 2020-06-04 21:17:37;   Last Modified: 2020-06-06 13:45:07.
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