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M30

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M30
Prime class :
Type : Mersenne prime
Formula : Mn = 2n - 1
Prime data :
Rank : 30
n-value : 132,049
Number : 512740276269...455730061311
Digits : 39,751
Perfect number : 2132,048 • (2132,049-1)
Digits : 79,502
Discovery data :
Date of Discovery : 1983-09-19
Discoverer : David Slowinski
Found with : Lucas-Lehmer test / Cray X-MP