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M20

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M20
Prime class :
Type : Mersenne prime
Formula : Mn = 2n - 1
Prime data :
Rank : 20
n-value : 4,423
Number : 285542542228...902608580607
Digits : 1,332
Perfect number : 24,422 • (24,423-1)
Digits : 2,663
Discovery data :
Date of Discovery : 1961-11-03
Discoverer : Hurwitz
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