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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
39407999788159998 ~1990
39408779827584359110 ~1995
394096812364580879 ~1991
39409739788194798 ~1990
39409871788197438 ~1990
394101916305630579 ~1993
394104173152833379 ~1992
39410699788213998 ~1990
394114732364688399 ~1991
39411539788230798 ~1990
39411923788238478 ~1990
39412211788244238 ~1990
39412883788257678 ~1990
39415991788319838 ~1990
394162812364976879 ~1991
394169212365015279 ~1991
394177313153418499 ~1992
39418091788361838 ~1990
39419543788390878 ~1990
39420011788400238 ~1990
39420911788418238 ~1990
394221138672864879 ~1993
394237932365427599 ~1991
39425051788501038 ~1990
39425423788508478 ~1990
Exponent Prime Factor Digits Year
39425591788511838 ~1990
394258793154070339 ~1992
39426671788533438 ~1990
39426851788537038 ~1990
394279012365674079 ~1991
39428099788561998 ~1990
39428639788572798 ~1990
39430091788601838 ~1990
39430283788605678 ~1990
39431291788625838 ~1990
394318793154550339 ~1992
39433631788672638 ~1990
394340116309441779 ~1993
39435083788701678 ~1990
394351193154809539 ~1992
394365893154927139 ~1992
39437291788745838 ~1990
39437759788755198 ~1990
39437771788755438 ~1990
39439139788782798 ~1990
394393132366358799 ~1991
39441431788828638 ~1990
39442583788851678 ~1990
394427513155420099 ~1992
39443531788870638 ~1990
Exponent Prime Factor Digits Year
39443879788877598 ~1990
39444143788882878 ~1990
39444299788885998 ~1990
39444481118333443110 ~1993
39444599788891998 ~1990
39444623788892478 ~1990
39444659788893198 ~1990
39446339788926798 ~1990
39447197315577576110 ~1994
39447251788945038 ~1990
394474793155798339 ~1992
39447491788949838 ~1990
394483633944836319 ~1992
39448679788973598 ~1990
39448751788975038 ~1990
394492612366955679 ~1991
39452111789042238 ~1990
39452183789043678 ~1990
39452587134138795910 ~1993
394527717101498799 ~1993
39453971789079438 ~1990
39454379789087598 ~1990
39455459789109198 ~1990
39457163789143278 ~1990
394575593156604739 ~1992
Exponent Prime Factor Digits Year
39459011789180238 ~1990
394592212367553279 ~1991
39459239789184798 ~1990
39459443789188878 ~1990
394600633946006319 ~1992
39460079789201598 ~1990
394604573156836579 ~1992
39461531789230638 ~1990
39461699789233998 ~1990
39462551789251038 ~1990
39463439789268798 ~1990
39463643789272878 ~1990
39464039789280798 ~1990
39464549315716392110 ~1994
394653673946536719 ~1992
39466799789335998 ~1990
39468371789367438 ~1990
394686016314976179 ~1993
39469211789384238 ~1990
394698532368191199 ~1991
39470339789406798 ~1990
39471539789430798 ~1990
39472259789445198 ~1990
39474203355267827110 ~1994
39475259789505198 ~1990
2000
GIMPS The Prime Pages FactorDb.com
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25-10-20