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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
35518943710378878 ~1990
35519651710393038 ~1990
35520071710401438 ~1990
355209592841676739 ~1991
35521523710430478 ~1990
35522891710457838 ~1990
35523503710470078 ~1990
355238476394292479 ~1992
35524337106573011110 ~1993
35524343710486878 ~1990
35525471710509438 ~1990
35525771710515438 ~1990
35526563710531278 ~1990
35526671710533438 ~1990
35527259710545198 ~1990
35527391710547838 ~1990
35527703710554078 ~1990
35528159710563198 ~1990
35528243710564878 ~1990
35531291710625838 ~1990
355318275685092339 ~1992
35532323710646478 ~1990
35532599710651998 ~1990
35532719710654398 ~1990
35532863710657278 ~1990
Exponent Prime Factor Digits Year
355331172131987039 ~1991
35533343710666878 ~1990
35534363710687278 ~1990
35534783710695678 ~1990
355351734974924239 ~1992
355354072842832579 ~1991
35535683113714185710 ~1993
35536211710724238 ~1990
355369812132218879 ~1991
35537171710743438 ~1990
355374735685995699 ~1992
355376392843011139 ~1991
355378672843029379 ~1991
35537951113721443310 ~1993
35538131710762638 ~1990
355391593553915919 ~1992
355402492843219939 ~1991
355405212132431279 ~1991
35541683710833678 ~1990
35541949106625847110 ~1993
355421812132530879 ~1991
35542679710853598 ~1990
355431975686911539 ~1992
35543831710876638 ~1990
35544143710882878 ~1990
Exponent Prime Factor Digits Year
35544479710889598 ~1990
355447012132682079 ~1991
355449673554496719 ~1992
355451878530844899 ~1993
355459192843673539 ~1991
355460812132764879 ~1991
35547311710946238 ~1990
355483612132901679 ~1991
35548703263060402310 ~1994
35549243710984878 ~1990
35549483710989678 ~1990
355496713554967119 ~1992
355498612843988899 ~1991
355503012133018079 ~1991
35551163711023278 ~1990
35553839711076798 ~1990
35554091711081838 ~1990
355558132133348799 ~1991
355558332133349999 ~1991
35556179711123598 ~1990
355564192844513539 ~1991
355568412133410479 ~1991
35557811711156238 ~1990
35558819711176398 ~1990
355599198534380579 ~1993
Exponent Prime Factor Digits Year
35561219711224398 ~1990
355612873556128719 ~1992
35561423711228478 ~1990
35562743199151360910 ~1993
35563331711266638 ~1990
35563739711274798 ~1990
35563883711277678 ~1990
35564939711298798 ~1990
35565671711313438 ~1990
355667572134005439 ~1991
35566799711335998 ~1990
35566859711337198 ~1990
355674012134044079 ~1991
35567771711355438 ~1990
35567783711355678 ~1990
355685272845482179 ~1991
355686673556866719 ~1992
35569211711384238 ~1990
35569223711384478 ~1990
35569379711387598 ~1990
355711212134267279 ~1991
35571671711433438 ~1990
35572079711441598 ~1990
35572403711448078 ~1990
355725972134355839 ~1991
1850
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25-05-04