26898...99999 (1051-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

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The product of first 421 even numbers (2 through 842) minus 1 is the smallest titanic prime of this type. [Gupta]

Submitted: 2020-07-24 17:29:06; Last Modified: 2020-07-24 17:29:40.