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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
1199448137196688799 ~1995
1199480937196885599 ~1995
119950387119950387110 ~1996
119951093167931530310 ~1996
119951177455814472710 ~1997
1199513992399027999 ~1994
1199528512399057039 ~1994
1199541832399083679 ~1994
1199548432399096879 ~1994
1199600632399201279 ~1994
1199649592399299199 ~1994
1199670977198025839 ~1995
1199704432399408879 ~1994
1199728192399456399 ~1994
1199831817198990879 ~1995
1199871112399742239 ~1994
1199895377199372239 ~1995
1200003112400006239 ~1994
1200026992400053999 ~1994
1200063712400127439 ~1994
1200080177200481039 ~1995
1200139792400279599 ~1994
1200158032400316079 ~1994
120018967120018967110 ~1996
1200203632400407279 ~1994
Exponent Prime Factor Digits Year
1200219119601752899 ~1996
1200230032400460079 ~1994
1200230217201381279 ~1995
1200270232400540479 ~1994
1200284392400568799 ~1994
1200290537201743199 ~1995
1200314512400629039 ~1994
120031913288076591310 ~1997
1200350537202103199 ~1995
1200353392400706799 ~1994
1200358792400717599 ~1994
1200422032400844079 ~1994
1200445017202670079 ~1995
1200453017202718079 ~1995
1200467577202805439 ~1995
1200539817203238879 ~1995
1200548417203290479 ~1995
1200597592401195199 ~1994
1200661792401323599 ~1994
1200670912401341839 ~1994
1200676792401353599 ~1994
1200712192401424399 ~1994
1200727792401455599 ~1994
1200741072497541425711 ~1999
1200749392401498799 ~1994
Exponent Prime Factor Digits Year
1200767392401534799 ~1994
120078421192125473710 ~1996
1200811792401623599 ~1994
1200828112401656239 ~1994
1200850792401701599 ~1994
120087419288209805710 ~1997
1200903592401807199 ~1994
1200912592401825199 ~1994
1200942832401885679 ~1994
1200952432401904879 ~1994
1200955799607646339 ~1996
1200986217205917279 ~1995
1200999712401999439 ~1994
1201012912402025839 ~1994
1201019032402038079 ~1994
1201019392402038799 ~1994
120102863288246871310 ~1997
120104363312271343910 ~1997
1201052392402104799 ~1994
1201080712402161439 ~1994
1201140832402281679 ~1994
1201172537207035199 ~1995
1201286992402573999 ~1994
1201289032402578079 ~1994
1201301217207807279 ~1995
Exponent Prime Factor Digits Year
120131213168183698310 ~1996
1201337632402675279 ~1994
120134173264295180710 ~1997
1201354192402708399 ~1994
1201355512402711039 ~1994
120136147120136147110 ~1996
1201369312402738639 ~1994
1201387432402774879 ~1994
1201392137208352799 ~1995
1201445512402891039 ~1994
1201476179611809379 ~1996
1201518592403037199 ~1994
1201521592403043199 ~1994
1201538992403077999 ~1994
120156011216280819910 ~1996
1201590232403180479 ~1994
1201612312403224639 ~1994
1201630192403260399 ~1994
1201633319613066499 ~1996
1201638592403277199 ~1994
1201690619613524899 ~1996
1201701112403402239 ~1994
1201733632403467279 ~1994
1201743712403487439 ~1994
1201785112403570239 ~1994
2662
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25-11-02