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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
400110676401770739 ~1993
40011299800225998 ~1990
40011479800229598 ~1990
40011623800232478 ~1990
40014059800281198 ~1990
40014083800281678 ~1990
40014203800284078 ~1990
40014239800284798 ~1990
400146972400881839 ~1992
40014743800294878 ~1990
40014791800295838 ~1990
40015091800301838 ~1990
40015571800311438 ~1990
40016891800337838 ~1990
40017119800342398 ~1990
400173012401038079 ~1992
40017671800353438 ~1990
40018031800360638 ~1990
400182132401092799 ~1992
40018679800373598 ~1990
40018691800373838 ~1990
40018703800374078 ~1990
40018991800379838 ~1990
400194076403105139 ~1993
40019891800397838 ~1990
Exponent Prime Factor Digits Year
40019939800398798 ~1990
40020119800402398 ~1990
40020131800402638 ~1990
40020443800408878 ~1990
40020731800414638 ~1990
400208095602913279 ~1992
400208099604994179
40021211800424238 ~1990
40021259800425198 ~1990
400219732401318399 ~1992
400225034002250319 ~1992
40022903800458078 ~1990
40023143800462878 ~1990
40023551800471038 ~1990
40023911800478238 ~1990
400244234002442319 ~1992
40025171800503438 ~1990
40025519800510398 ~1990
400261973202095779 ~1992
40026599800531998 ~1990
40026659800533198 ~1990
40027079800541598 ~1990
40027283800545678 ~1990
40027763800555278 ~1990
400284772401708639 ~1992
Exponent Prime Factor Digits Year
40028519800570398 ~1990
400288372401730239 ~1992
40029851800597038 ~1990
40030043800600878 ~1990
400304213202433699 ~1992
400305916404894579 ~1993
40030751800615038 ~1990
400310291337036368711 ~1996
40031279800625598 ~1990
40031363800627278 ~1990
40031531800630638 ~1990
400321013202568099 ~1992
400333732402002399 ~1992
400339516405432179 ~1993
40034231800684638 ~1990
40034399800687998 ~1990
40034783800695678 ~1990
400352712634320831911 ~1997
40035371800707438 ~1990
400355093202840739 ~1992
400355993202847939 ~1992
40035839800716798 ~1990
40035851800717038 ~1990
40035923800718478 ~1990
40036091800721838 ~1990
Exponent Prime Factor Digits Year
400368612402211679 ~1992
40037111800742238 ~1990
400373599608966179 ~1993
40037831800756638 ~1990
40038191800763838 ~1990
40038983800779678 ~1990
40039801120119403110 ~1993
40039823800796478 ~1990
40039991800799838 ~1990
40040411800808238 ~1990
40040603800812078 ~1990
40041251800825038 ~1990
40041311800826238 ~1990
40041983800839678 ~1990
40042043800840878 ~1990
40042631800852638 ~1990
40043291800865838 ~1990
40044083800881678 ~1990
40044131800882638 ~1990
40044479800889598 ~1990
400445273203562179 ~1992
40044743800894878 ~1990
40045079800901598 ~1990
40045199800903998 ~1990
400459193203673539 ~1992
2146
GIMPS The Prime Pages FactorDb.com
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26-07-19