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M13
M13 | |
---|---|
Prime class : | |
Type : | Mersenne prime |
Formula : | Mn = 2n - 1 |
Prime data : | |
Rank : | 13 |
n-value : | 521 |
Number : | 686479766013...291115057151 |
Digits : | 157 |
Perfect number : | 2520 • (2521-1) |
Digits : | 314 |
Discovery data : | |
Date of Discovery : | 1952-01-30 |
Discoverer : | Raphael Robinson |
Found with : | Lucas-Lehmer test / SWAC |
M13 is the 13th known Mersenne prime 2521-1 found on 1952-01-30 by Raphael Robinson.