4673
This number is a prime.
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4673^(2+3+5+7) + (15750^2 + 15750^3 + 15750^5 + 15750^7) is prime. Note that 2,3,5,7 are the only prime factors of 15750. [Sariyar]
Submitted: 2018-04-18 21:59:24; Last Modified: 2018-04-18 22:04:11.
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