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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
203834531223007199 ~1989
203836131223016799 ~1989
203838771223032639 ~1989
20384099407681998 ~1988
203844913261518579 ~1990
20384711407694238 ~1988
20384879407697598 ~1988
20385251407705038 ~1988
20385611407712238 ~1988
20385671134545428710 ~1992
20386319407726398 ~1988
203865111630920899 ~1990
20386571407731438 ~1988
20386631407732638 ~1988
20386697256872382310 ~1992
203867331223203999 ~1989
20386823407736478 ~1988
20387771407755438 ~1988
20389163407783278 ~1988
20390003407800078 ~1988
20390483407809678 ~1988
203905971631247779 ~1990
20390759407815198 ~1988
203909411223456479 ~1989
20391131407822638 ~1988
Exponent Prime Factor Digits Year
20391323407826478 ~1988
20391671407833438 ~1988
20391851407837038 ~1988
203919072039190719 ~1990
203922711631381699 ~1990
20392763407855278 ~1988
203928171631425379 ~1990
20393039407860798 ~1988
20393603407872078 ~1988
20394131407882638 ~1988
203942991631543939 ~1990
20394443407888878 ~1988
20395079407901598 ~1988
20395499407909998 ~1988
203956813263308979 ~1990
20395811407916238 ~1988
20396303407926078 ~1988
20396399407927998 ~1988
20396459407929198 ~1988
203970792039707919 ~1990
20397719407954398 ~1988
203979011223874079 ~1989
203994471631955779 ~1990
203995036935831039 ~1991
20399579407991598 ~1988
Exponent Prime Factor Digits Year
203999092855987279 ~1990
20400239408004798 ~1988
20400599408011998 ~1988
20400959408019198 ~1988
20401499408029998 ~1988
20401523408030478 ~1988
20401571408031438 ~1988
20401739408034798 ~1988
20401919408038398 ~1988
204023211224139279 ~1989
20402831408056638 ~1988
20403011408060238 ~1988
20403023408060478 ~1988
20403419408068398 ~1988
20403899408077998 ~1988
20405303408106078 ~1988
20405459408109198 ~1988
20405663408113278 ~1988
20405783408115678 ~1988
204058931224353599 ~1989
20406143408122878 ~1988
20406539408130798 ~1988
204072973265167539 ~1990
20407511408150238 ~1988
20407631408152638 ~1988
Exponent Prime Factor Digits Year
204077592040775919 ~1990
204078672040786719 ~1990
20407883408157678 ~1988
20408243408164878 ~1988
20408411408168238 ~1988
20408543408170878 ~1988
204085611632684899 ~1990
20408639408172798 ~1988
20408711408174238 ~1988
20409131408182638 ~1988
204099192040991919 ~1990
204100736123021919 ~1991
20410139408202798 ~1988
20411371473543807310 ~1993
20411411408228238 ~1988
204117731224706399 ~1989
20412071408241438 ~1988
20412083408241678 ~1988
20412599408251998 ~1988
204126771633014179 ~1990
204129131224774799 ~1989
20413499408269998 ~1988
204138313266212979 ~1990
20414819408296398 ~1988
204151632041516319 ~1990
1432
GIMPS The Prime Pages FactorDb.com
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25-05-04