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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.
Exponent Prime Factor Digits Year
19625951392519038 ~1988
196261331177567999 ~1989
19626311392526238 ~1988
196267813140284979 ~1990
19626863392537278 ~1988
196269919420955699 ~1991
19627631392552638 ~1988
19627691392553838 ~1988
196282913533092399 ~1990
19628639392572798 ~1988
196288571177731439 ~1989
196293311962933119 ~1990
19629383392587678 ~1988
196295871570366979 ~1989
19629803392596078 ~1988
196298811570390499 ~1989
19630031392600638 ~1988
19630283392605678 ~1988
19630343392606878 ~1988
196306731177840399 ~1989
19630991392619838 ~1988
19631291392625838 ~1988
19631399392627998 ~1988
19631749749932811910 ~1994
19631831392636638 ~1988
Exponent Prime Factor Digits Year
196318611570548899 ~1989
196323291570586339 ~1989
19632383392647678 ~1988
19632479392649598 ~1988
19632659392653198 ~1988
196327791570622339 ~1989
196328593533914639 ~1990
19632923392658478 ~1988
19633151392663038 ~1988
19633259392665198 ~1988
19633331392666638 ~1988
196333492748668879 ~1990
19634003392680078 ~1988
19634123392682478 ~1988
196341371178048239 ~1989
19634159392683198 ~1988
196344771570758179 ~1989
19634603392692078 ~1988
19634843392696878 ~1988
19634903392698078 ~1988
19635923392718478 ~1988
196364331178185999 ~1989
19636511392730238 ~1988
19636943392738878 ~1988
19638071392761438 ~1988
Exponent Prime Factor Digits Year
19638683392773678 ~1988
19638863392777278 ~1988
196389011178334079 ~1989
196394579426939379 ~1991
196395794713498979 ~1991
19640399392807998 ~1988
19640843392816878 ~1988
196410191964101919 ~1990
19641623392832478 ~1988
19641623145348010310
19641683392833678 ~1988
19641731392834638 ~1988
196418931178513599 ~1989
196420811178524879 ~1989
196425013142800179 ~1990
19642583392851678 ~1988
19642919392858398 ~1988
19643111392862238 ~1988
19643399392867998 ~1988
19643699392873998 ~1988
196442113535957999 ~1990
19644479392889598 ~1988
19645343392906878 ~1988
196454811571638499 ~1989
19645991392919838 ~1988
Exponent Prime Factor Digits Year
196462991964629919 ~1990
19646603392932078 ~1988
19646663392933278 ~1988
19646723392934478 ~1988
19646999392939998 ~1988
19647599392951998 ~1988
19648763392975278 ~1988
196488473536792479 ~1990
19648883392977678 ~1988
19649471392989438 ~1988
19649579392991598 ~1988
19649593483379987910 ~1993
196496811178980879 ~1989
19651319393026398 ~1988
196517211572137699 ~1989
19651739393034798 ~1988
19652317137566219110 ~1992
19652351393047038 ~1988
19652519393050398 ~1988
196525731179154399 ~1989
196527534716660739 ~1991
19653443393068878 ~1988
19653563393071278 ~1988
19653839393076798 ~1988
19654571393091438 ~1988
1406
GIMPS The Prime Pages FactorDb.com
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25-05-04