82078...78351 (45-digits)

This number is a prime.

82078 0741703666 6305955615 2849646543 5406378351

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The largest prime formed from reverse concatenation of n consecutive 3-digit triangular numbers (n=15). [Gupta]

Submitted: 2020-07-17 11:51:23; Last Modified: 2020-07-17 13:35:49.