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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
26878451537569038 ~1989
26878619537572398 ~1989
26878919537578398 ~1989
26880011537600238 ~1989
268810314838585599 ~1991
26881091537621838 ~1989
268812074838617279 ~1991
26881763537635278 ~1989
26881919537638398 ~1989
268824131612944799 ~1990
26882591537651838 ~1989
26882759537655198 ~1989
26883359537667198 ~1989
26883599537671998 ~1989
26883611537672238 ~1989
268840571613043439 ~1990
268843371613060239 ~1990
26884883537697678 ~1989
26884919537698398 ~1989
26886479537729598 ~1989
26886659537733198 ~1989
26886971537739438 ~1989
268871171613227039 ~1990
26887499537749998 ~1989
26887979537759598 ~1989
Exponent Prime Factor Digits Year
26888063537761278 ~1989
268882971613297839 ~1990
26890739537814798 ~1989
26891831537836638 ~1989
26891939537838798 ~1989
268921394840585039 ~1991
26892179537843598 ~1989
26892611537852238 ~1989
26893211537864238 ~1989
26893343537866878 ~1989
26893703537874078 ~1989
26893871537877438 ~1989
268940931613645599 ~1990
26894093876747431910
26894099537881998 ~1989
268951314841123599 ~1991
268952771613716639 ~1990
26895899537917998 ~1989
26896283537925678 ~1989
26896739537934798 ~1989
26896931537938638 ~1989
26897159537943198 ~1989
26897219537944398 ~1989
26898923537978478 ~1989
26899199537983998 ~1989
Exponent Prime Factor Digits Year
26899643537992878 ~1989
26900099538001998 ~1989
26900651538013038 ~1989
26901239538024798 ~1989
26901323538026478 ~1989
26901349188309443110 ~1993
26901419538028398 ~1989
26902439538048798 ~1989
269026072152208579 ~1990
26902871538057438 ~1989
26903003538060078 ~1989
26903099538061998 ~1989
26903603538072078 ~1989
269036411614218479 ~1990
26904239538084798 ~1989
26904359538087198 ~1989
269049011614294079 ~1990
26905523538110478 ~1989
26906219538124398 ~1989
26906879538137598 ~1989
26906939215255512110 ~1993
26907323538146478 ~1989
26907383538147678 ~1989
26907431538148638 ~1989
26908163538163278 ~1989
Exponent Prime Factor Digits Year
269083095919827999 ~1992
26908499538169998 ~1989
26908691538173838 ~1989
26908811538176238 ~1989
26909279538185598 ~1989
26909423538188478 ~1989
269117112691171119 ~1991
269121771614730639 ~1990
269122399150161279 ~1992
26912339538246798 ~1989
26912663538253278 ~1989
269127131614762799 ~1990
26913143538262878 ~1989
26913251538265038 ~1989
269135474844438479 ~1991
26913791538275838 ~1989
26913923538278478 ~1989
26914571538291438 ~1989
269148412153187299 ~1990
26915279538305598 ~1989
26915363538307278 ~1989
26915783538315678 ~1989
26916119538322398 ~1989
26916671538333438 ~1989
26917139538342798 ~1989
1578
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24-10-27