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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
19618451392369038 ~1988
19618523392370478 ~1988
19618883392377678 ~1988
196189611177137679 ~1989
19619339392386798 ~1988
196193931177163599 ~1989
19619423392388478 ~1988
196195311569562499 ~1989
19619591392391838 ~1988
196198391961983919 ~1990
19620059392401198 ~1988
19620143392402878 ~1988
19620383392407678 ~1988
19620719392414398 ~1988
196210611569684899 ~1989
196211531177269199 ~1989
19621463392429278 ~1988
196217332747042639 ~1990
196224411177346479 ~1989
196229511569836099 ~1989
19623419392468398 ~1988
196238591962385919 ~1990
19624499392489998 ~1988
19624571392491438 ~1988
196246071569968579 ~1989
Exponent Prime Factor Digits Year
19624799392495998 ~1988
196248891569991139 ~1989
19624931392498638 ~1988
196249611177497679 ~1989
19625159392503198 ~1988
19625519392510398 ~1988
19625951392519038 ~1988
196261331177567999 ~1989
19626311392526238 ~1988
196267813140284979 ~1990
19626863392537278 ~1988
196269919420955699 ~1991
19627631392552638 ~1988
19627691392553838 ~1988
196282913533092399 ~1990
19628639392572798 ~1988
196288571177731439 ~1989
196293311962933119 ~1990
19629383392587678 ~1988
196295871570366979 ~1989
19629803392596078 ~1988
196298811570390499 ~1989
19630031392600638 ~1988
19630283392605678 ~1988
19630343392606878 ~1988
Exponent Prime Factor Digits Year
196306731177840399 ~1989
19630991392619838 ~1988
19631291392625838 ~1988
19631399392627998 ~1988
19631749749932811910 ~1994
19631831392636638 ~1988
196318611570548899 ~1989
196323291570586339 ~1989
19632383392647678 ~1988
19632479392649598 ~1988
19632659392653198 ~1988
196328593533914639 ~1990
19632923392658478 ~1988
19633151392663038 ~1988
19633259392665198 ~1988
19633331392666638 ~1988
196333492748668879 ~1990
19634003392680078 ~1988
19634123392682478 ~1988
196341371178048239 ~1989
19634159392683198 ~1988
196344771570758179 ~1989
19634603392692078 ~1988
19634843392696878 ~1988
19634903392698078 ~1988
Exponent Prime Factor Digits Year
19635923392718478 ~1988
196364331178185999 ~1989
19636511392730238 ~1988
19636943392738878 ~1988
19638071392761438 ~1988
19638683392773678 ~1988
19638863392777278 ~1988
196389011178334079 ~1989
196394579426939379 ~1991
196395794713498979 ~1991
19640399392807998 ~1988
19640843392816878 ~1988
196410191964101919 ~1990
19641623392832478 ~1988
19641623145348010310
19641683392833678 ~1988
19641731392834638 ~1988
196418931178513599 ~1989
196420811178524879 ~1989
196425013142800179 ~1990
19642583392851678 ~1988
19642919392858398 ~1988
19643111392862238 ~1988
19643399392867998 ~1988
19643699392873998 ~1988
1400
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25-04-13