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M31
M31 | |
---|---|
Prime class : | |
Type : | Mersenne prime |
Formula : | Mn = 2n - 1 |
Prime data : | |
Rank : | 31 |
n-value : | 216,091 |
Number : | 746093103064...103815528447 |
Digits : | 65,050 |
Perfect number : | 2216,090 • (2216,091-1) |
Digits : | 130,100 |
Discovery data : | |
Date of Discovery : | 1985-09-01 |
Discoverer : | David Slowinski |
Found with : | Lucas-Lehmer test / Cray X-MP-24 |