54444...99893 (28-digits)

This number is a prime.

54444347 2520917608 0383999893

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J. Tramu and Giovanni Resta discovered two consecutive primes whose sum equals a factorial, i.e., 5444434725209176080383999893 + 5444434725209176080384000107 = 27!. [Rivera]

Submitted: 2020-07-08 16:29:51; Last Modified: 2020-07-08 17:21:58.