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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
5983799197465367110 ~1989
59838072034494399 ~1987
5983919478713538 ~1985
5983931119678638 ~1984
5984213359052798 ~1985
59843273351223139 ~1987
5984471478757698 ~1985
5984533359071998 ~1985
5984579119691598 ~1984
5984597359075838 ~1985
5984711119694238 ~1984
5984843119696878 ~1984
5984879478790338 ~1985
5984903119698078 ~1984
5984921359095278 ~1985
5984939119698798 ~1984
5984963119699278 ~1984
5985103598510318 ~1986
5985251119705038 ~1984
5985401694306516110 ~1991
59854071077373279 ~1986
59856471436555299 ~1987
5985719119714398 ~1984
5986117957778738 ~1986
5986163119723278 ~1984
Exp. Prime Factor Digits Year
5986271478901698 ~1985
5986391119727838 ~1984
59864473831326099 ~1988
5986537359192238 ~1985
5986579598657918 ~1986
5986583119731678 ~1984
5986613359196798 ~1985
59866211795986319 ~1987
5986679119733598 ~1984
5986867598686718 ~1986
5986979119739598 ~1984
5987183119743678 ~1984
5987227598722718 ~1986
5987239598723918 ~1986
5987257359235438 ~1985
5987339478987138 ~1985
5987441478995298 ~1985
5987461359247678 ~1985
5987503598750318 ~1986
5987551598755118 ~1986
5987561359253678 ~1985
5987759119755198 ~1984
5988113359286798 ~1985
5988253958120498 ~1986
5988371119767438 ~1984
Exp. Prime Factor Digits Year
5988791119775838 ~1984
5989019119780398 ~1984
5989307479144578 ~1985
5989469479157538 ~1985
59895611317703439 ~1986
5989619119792398 ~1984
5989871119797438 ~1984
59902331317851279 ~1986
59902515271420899 ~1988
5990423119808478 ~1984
5990651479252098 ~1985
5990711119814238 ~1984
59907111557584879
5990819119816398 ~1984
59908195391737119
5991263119825278 ~1984
5991311119826238 ~1984
59913111078435999
5991343599134318 ~1986
5991397359483838 ~1985
5991659479332738 ~1985
5991677359500638 ~1985
59916771438002499
5991731119834638 ~1984
5991823599182318 ~1986
Exp. Prime Factor Digits Year
5991883958701298 ~1986
5991901359514078 ~1985
5991977359518638 ~1985
5992073359524398 ~1985
5992153359529198 ~1985
5992271119845438 ~1984
59922893715219199 ~1988
5992319119846398 ~1984
5992403119848078 ~1984
5992691119853838 ~1984
5993107599310718 ~1986
5993237359594238 ~1985
5993249479459938 ~1985
5993411119868238 ~1984
5993423119868478 ~1984
59935911917949139 ~1987
5993591662891164710
59936211798086319 ~1987
5993693359621598 ~1985
5993837359630238 ~1985
5994143119882878 ~1984
5994181359650878 ~1985
5994607599460718 ~1986
5994853359691198 ~1985
59951631438839139 ~1987
786
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26-03-08