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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
21441383428827678 ~1988
214421592144215919 ~1990
21442331428846638 ~1988
21444011428880238 ~1988
214443893002214479 ~1990
214448935146774339 ~1991
214450131286700799 ~1989
214451477291349999 ~1991
21445643428912878 ~1988
21445799428915998 ~1988
21445871428917438 ~1988
21445943428918878 ~1988
21446531428930638 ~1988
21446963428939278 ~1988
21447311428946238 ~1988
214474273860536879 ~1991
21447683428953678 ~1988
21447719428954398 ~1988
21447851428957038 ~1988
21448571428971438 ~1988
214488591715908739 ~1990
214492011286952079 ~1989
21450323429006478 ~1988
21450431429008638 ~1988
21450479429009598 ~1988
Exponent Prime Factor Digits Year
21450623429012478 ~1988
214506312145063119 ~1990
214510632145106319 ~1990
21451103429022078 ~1988
21451499429029998 ~1988
21451583429031678 ~1988
21452243429044878 ~1988
214524773003346799 ~1990
21452591429051838 ~1988
21452603429052078 ~1988
214527471716219779 ~1990
214527891716223139 ~1990
21452999429059998 ~1988
21453119429062398 ~1988
214534491716275939 ~1990
21453683429073678 ~1988
21454091429081838 ~1988
21454151429083038 ~1988
214546371716370979 ~1990
214551011287306079 ~1989
214553936436617919 ~1991
21455459429109198 ~1988
21455663429113278 ~1988
21455891429117838 ~1988
21455939429118798 ~1988
Exponent Prime Factor Digits Year
214559771287358639 ~1989
214561573432985139 ~1990
21456191429123838 ~1988
21456203429124078 ~1988
21456731429134638 ~1988
21456739102992347310 ~1992
21456791429135838 ~1988
214569014720518239 ~1991
21456971429139438 ~1988
21457379429147598 ~1988
21458351429167038 ~1988
21458639429172798 ~1988
21459131429182638 ~1988
21459479429189598 ~1988
21459671429193438 ~1988
21460163429203278 ~1988
214605011287630079 ~1989
21460559429211198 ~1988
21460643429212878 ~1988
21460979429219598 ~1988
21462359429247198 ~1988
214624911716999299 ~1990
21462671429253438 ~1988
21463223429264478 ~1988
21463583429271678 ~1988
Exponent Prime Factor Digits Year
21464603429292078 ~1988
21464711429294238 ~1988
214647113863647999
21464903429298078 ~1988
21465071429301438 ~1988
21465131429302638 ~1988
21465239429304798 ~1988
21465443429308878 ~1988
214656371287938239 ~1989
21465971429319438 ~1988
21466079429321598 ~1988
21466559429331198 ~1988
214666731288000399 ~1989
21466859429337198 ~1988
214669971288019839 ~1989
21467711429354238 ~1988
214678931288073599 ~1989
21467951429359038 ~1988
21468371429367438 ~1988
214694171288165039 ~1989
21469919429398398 ~1988
21470509150293563110 ~1992
21471371429427438 ~1988
21472163429443278 ~1988
214725411288352479 ~1989
1462
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25-04-13