1537

This number is a composite.

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The smallest brilliant number that can be represented as the sum of first n April Fools primes, (case n=21), i.e., 9 + 21 + 27 + ... + 121 + 123 = 1537 = 29 × 53. Note that 2953 is prime. [Loungrides]

Submitted: 2018-09-29 16:58:52;   Last Modified: 2022-01-30 14:54:15.
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