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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
720878631441757279 ~1992
720893511441787039 ~1992
720907374325444239 ~1994
72090857749744912910 ~1997
72091493100928090310 ~1994
72092617389300131910 ~1996
720927111441854239 ~1992
720930711441861439 ~1992
720930831441861679 ~1992
720931495767451939 ~1994
720932991441865999 ~1992
720982911441965839 ~1992
720993734325962399 ~1994
720997934325987599 ~1994
721022995768183939 ~1994
721025095768200739 ~1994
721027311442054639 ~1992
721032111442064239 ~1992
721035711442071439 ~1992
72104761115367617710 ~1995
72105217288420868110 ~1996
721060431442120879 ~1992
721071111442142239 ~1992
721074711442149439 ~1992
721080734326484399 ~1994
Exponent Prime Factor Digits Year
721090495768723939 ~1994
721093974326563839 ~1994
72111167129800100710 ~1995
721115631442231279 ~1992
721140111442280239 ~1992
721145991442291999 ~1992
721156614326939679 ~1994
721180495769443939 ~1994
721206831442413679 ~1992
721228075769824579 ~1994
721264431442528879 ~1992
721272831442545679 ~1992
721303014327818079 ~1994
721311591442623199 ~1992
721314831442629679 ~1992
721317111442634239 ~1992
721325031442650079 ~1992
72134611129842299910 ~1995
721369431442738879 ~1992
72137287245266775910 ~1995
721387191442774399 ~1992
721393214328359279 ~1994
721395831442791679 ~1992
721405911442811839 ~1992
721435311442870639 ~1992
Exponent Prime Factor Digits Year
721460991442921999 ~1992
721461111442922239 ~1992
721474791442949599 ~1992
721476111442952239 ~1992
721480614328883679 ~1994
721488591442977199 ~1992
721501311443002639 ~1992
721505031443010079 ~1992
721516791443033599 ~1992
721529391443058799 ~1992
72154207288616828110 ~1996
721553991443107999 ~1992
72155767173173840910 ~1995
721572711443145439 ~1992
721577031443154079 ~1992
72160129288640516110 ~1996
721617231443234479 ~1992
721622574329735439 ~1994
721623175772985379 ~1994
72163141288652564110 ~1996
721652511443305039 ~1992
721661631443323279 ~1992
721672191443344399 ~1992
721672734330036399 ~1994
72167657101034719910 ~1994
Exponent Prime Factor Digits Year
721717214330303279 ~1994
721747431443494879 ~1992
721750791443501599 ~1992
72175429808364804910 ~1997
721755175774041379 ~1994
721783431443566879 ~1992
721812295774498339 ~1994
721819791443639599 ~1992
721841837218418319 ~1994
72185551303179314310 ~1996
721871631443743279 ~1992
721890591443781199 ~1992
721912911443825839 ~1992
721918911443837839 ~1992
721938111443876239 ~1992
72196493101075090310 ~1994
72196499129953698310 ~1995
721970631443941279 ~1992
721990791443981599 ~1992
72199931129959875910 ~1995
722018031444036079 ~1992
722023975776191779 ~1994
722064111444128239 ~1992
722066631444133279 ~1992
722074814332448879 ~1994
2382
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25-11-17