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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
245886171967089379 ~1990
24589739491794798 ~1989
24589739418025563110
24589751491795038 ~1989
24590063491801278 ~1989
245911791967294339 ~1990
24591383491827678 ~1989
24591419491828398 ~1989
24592103491842078 ~1989
24592109118042123310 ~1992
245928072459280719 ~1990
24593531491870638 ~1989
245941311967530499 ~1990
24595019491900398 ~1989
24595619491912398 ~1989
245958673935338739 ~1991
245964971475789839 ~1990
245965435903170339 ~1991
24596711491934238 ~1989
24597071491941438 ~1989
245973192459731919 ~1990
24597899491957998 ~1989
245992074427857279 ~1991
245993811475962879 ~1990
24599819491996398 ~1989
Exponent Prime Factor Digits Year
24600203492004078 ~1989
24600239492004798 ~1989
246010011968080099 ~1990
24601319492026398 ~1989
246013191968105539
246014771476088639 ~1990
246017931476107599 ~1990
24601991492039838 ~1989
246021594428388639 ~1991
24602159964404632910
24602183492043678 ~1989
24602339492046798 ~1989
24602783492055678 ~1989
246031971476191839 ~1990
24603671492073438 ~1989
24603899492077998 ~1989
24604379492087598 ~1989
24604511492090238 ~1989
246048411476290479 ~1990
24605099492101998 ~1989
246056573444791999 ~1991
246063971476383839 ~1990
24606671492133438 ~1989
246080331476481999 ~1990
24608879492177598 ~1989
Exponent Prime Factor Digits Year
24609323492186478 ~1989
24609743492194878 ~1989
24609899492197998 ~1989
24610259492205198 ~1989
24610331492206638 ~1989
24610451492209038 ~1989
24610583492211678 ~1989
24610739492214798 ~1989
246110475906651299 ~1991
24611063492221278 ~1989
24611399492227998 ~1989
24612359492247198 ~1989
24612779492255598 ~1989
24612839492256798 ~1989
246130671969045379 ~1990
24614123492282478 ~1989
246142811476856879 ~1990
24614399492287998 ~1989
24614423492288478 ~1989
246145011969160099 ~1990
24614587142764604710 ~1992
24614951492299038 ~1989
24615179492303598 ~1989
24615511216616496910 ~1993
246160931476965599 ~1990
Exponent Prime Factor Digits Year
24616199492323998 ~1989
24616703492334078 ~1989
24616859492337198 ~1989
246168591969348739
24617231492344638 ~1989
24617459492349198 ~1989
24617471492349438 ~1989
24617531492350638 ~1989
24617591492351838 ~1989
24617699492353998 ~1989
24618719492374398 ~1989
24618911492378238 ~1989
246190331477141999 ~1990
246191571477149439 ~1990
246192377385771119 ~1992
24619571492391438 ~1989
24619631492392638 ~1989
24619643492392878 ~1989
24619979492399598 ~1989
24619993132947962310 ~1992
246200394431607039 ~1991
24620243492404878 ~1989
246205811477234879 ~1990
246206571969652579 ~1990
246207114431727999 ~1991
1568
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25-05-04