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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
26628323532566478 ~1989
26628359532567198 ~1989
266284492130275939 ~1990
266284632662846319 ~1991
26628839532576798 ~1989
26629019532580398 ~1989
266291811597750879 ~1990
266301714793430799 ~1991
26630339532606798 ~1989
26630759532615198 ~1989
26630783532615678 ~1989
26631431532628638 ~1989
266314331597885999 ~1990
26631659532633198 ~1989
26632283532645678 ~1989
26632457101203336710 ~1992
266325611597953679 ~1990
26633647410158163910 ~1994
266341496392195779 ~1992
266344936392278339 ~1992
26635139532702798 ~1989
266352674261642739 ~1991
26635643532712878 ~1989
26635799532715998 ~1989
26636171532723438 ~1989
Exponent Prime Factor Digits Year
266378592663785919 ~1991
26637899532757998 ~1989
26638343532766878 ~1989
26638571532771438 ~1989
26638751532775038 ~1989
26638823532776478 ~1989
26639939532798798 ~1989
26640487106561948110 ~1992
26640791532815838 ~1989
26640899532817998 ~1989
26641019532820398 ~1989
26641871532837438 ~1989
266425972131407779 ~1990
26642879532857598 ~1989
26643191532863838 ~1989
26643299532865998 ~1989
266434133730077839 ~1991
26643803532876078 ~1989
26644259532885198 ~1989
266444211598665279 ~1990
26644463532889278 ~1989
26644571532891438 ~1989
26645903532918078 ~1989
26646479532929598 ~1989
26646611532932238 ~1989
Exponent Prime Factor Digits Year
26646923532938478 ~1989
26647163532943278 ~1989
26647199532943998 ~1989
26647391532947838 ~1989
26647583532951678 ~1989
26648711532974238 ~1989
26649431532988638 ~1989
26650139533002798 ~1989
26650691533013838 ~1989
26650763533015278 ~1989
26650931533018638 ~1989
26651039533020798 ~1989
26651171533023438 ~1989
266522331599133999 ~1990
26652959533059198 ~1989
26653031533060638 ~1989
266530514264488179 ~1991
26653199533063998 ~1989
26654483533089678 ~1989
26654531533090638 ~1989
26654591533091838 ~1989
266555572132444579 ~1990
26656463533129278 ~1989
26656499533129998 ~1989
266565776397578499 ~1992
Exponent Prime Factor Digits Year
266569371599416239 ~1990
26656979533139598 ~1989
26657243533144878 ~1989
26658143533162878 ~1989
26659343533186878 ~1989
266595371599572239 ~1990
26660603533212078 ~1989
26660723533214478 ~1989
26660951533219038 ~1989
26661359533227198 ~1989
266617811599706879 ~1990
26661851533237038 ~1989
26662679533253598 ~1989
266627212133017699 ~1990
26663111533262238 ~1989
26663579533271598 ~1989
26663639533272798 ~1989
266640892133127139 ~1990
266645771599874639 ~1990
26664971533299438 ~1989
26665043533300878 ~1989
26665091533301838 ~1989
26665283533305678 ~1989
26665831106663324110 ~1992
26666411533328238 ~1989
1571
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24-10-27