29593...63359 (21078-digits)

This number is a prime.

Just showing those entries submitted by 'Rupinski': (Click here to show all)

+ Discovered by the Amdahl 6 team in 1989, 235235*2^70000-1 has been dubbed 'the largest easy to remember prime' because of its form involving the first four primes. [Rupinski]

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