4253/Historical Note

Historical Note on $4253$

The Mersenne number $M_{4253} = 2^{4253} - 1$ was demonstrated to be a Mersenne prime by Alexander Hurwitz on $3$ November $1961$, using an IBM 7090, along with $M_{4423}$, whose primality was similarly demonstrated in the same computer run.

These were the first titanic primes ever discovered.

It is a moot question which one was actually discovered first.


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $2^{4253} - 1$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $2^{4253} - 1$
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