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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.
Exp. Prime Factor Digits Year
27915411563262979 ~1985
27915491116619619 ~1985
279155955831197 ~1981
2791561614143438 ~1984
2791783279178318 ~1983
2791799502523838 ~1984
2791837167510238 ~1983
2791849614206798 ~1984
2791963670071138 ~1984
279197955839597 ~1981
279209955841997 ~1981
279217155843437 ~1981
2792249223379938 ~1983
2792261223380898 ~1983
279235155847037 ~1981
279242355848477 ~1981
2792423893575378
2792459223396738 ~1983
2792617167557038 ~1983
279271155854237 ~1981
2792717670252098 ~1984
2792767279276718 ~1983
279277155855437 ~1981
2792771726120478
279283155856637 ~1981
Exp. Prime Factor Digits Year
2792861223428898 ~1983
2792891223431298 ~1983
2792897167573838 ~1983
2793101223448098 ~1983
2793181167590878 ~1983
2793319502797438 ~1984
2793341223467298 ~1983
279335955867197 ~1981
2793359223468738
279338355867677 ~1981
2793481446956978 ~1984
2793647223491778 ~1983
27937311340990899 ~1985
27938114972983599 ~1986
2793853167631198 ~1983
279391155878237 ~1981
2794019502923438 ~1984
2794189670605378 ~1984
2794243447078898 ~1984
2794301167658078 ~1983
279433155886637 ~1981
2794331223546498
2794747279474718 ~1983
2794807447169138 ~1984
27949631117985219 ~1985
Exp. Prime Factor Digits Year
2795003670800738 ~1984
2795237167714238 ~1983
279529155905837 ~1981
279539955907997 ~1981
2795417838625118 ~1984
2795423726809998 ~1984
279545955909197 ~1981
2795501167730078 ~1983
2795557167733438 ~1983
2795621167737278 ~1983
2795777223662178 ~1983
279620355924077 ~1981
2796337167780238 ~1983
27963612013379939 ~1985
2796397167783838 ~1983
2796509391511278 ~1983
2796587503385678 ~1984
2796617167797038 ~1983
279677955935597 ~1981
2796977223758178 ~1983
2797057167823438 ~1983
279721155944237 ~1981
2797259223780738 ~1983
2797373839211918 ~1984
279752355950477 ~1981
Exp. Prime Factor Digits Year
2797813167868798 ~1983
27978675875520719 ~1986
2797913167874798 ~1983
2797961167877678 ~1983
27981372462360579 ~1985
279817155963437 ~1981
2798233839469918 ~1984
279836355967277 ~1981
2798623447779698 ~1984
2798641167918478 ~1983
27986691511281279 ~1985
27987071791172499 ~1985
2798821167929278 ~1983
279896355979277 ~1981
27989898229027679 ~1987
2799037167942238 ~1983
2799103447856498 ~1984
2799103671784738
2799151279915118 ~1983
2799397167963838 ~1983
2799409671858178 ~1984
2799539503917038 ~1984
2799607447937138 ~1984
2799661167979678 ~1983
2799733167983998 ~1983
489
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26-02-08