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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
18868931377378638 ~1988
188691531132149199 ~1989
18869171377383438 ~1988
18869423377388478 ~1988
18869891377397838 ~1988
18870023377400478 ~1988
18870191377403838 ~1988
188701972641827599 ~1990
188703611132221679 ~1989
18870479377409598 ~1988
18871031377420638 ~1988
18871211377424238 ~1988
188712911887129119 ~1990
188713796038841299 ~1991
18871571377431438 ~1988
18871943377438878 ~1988
18872219377444398 ~1988
188723092642123279 ~1990
18872411377448238 ~1988
18872603377452078 ~1988
18873131377462638 ~1988
18873551377471038 ~1988
18873611377472238 ~1988
18873779377475598 ~1988
18874991377499838 ~1988
Exponent Prime Factor Digits Year
18875399377507998 ~1988
188762591887625919 ~1990
18876503377530078 ~1988
188765531132593199 ~1989
18876743377534878 ~1988
18877091377541838 ~1988
18877571377551438 ~1988
18877679377553598 ~1988
188777171132663039 ~1989
188779971132679839 ~1989
188782211132693279 ~1989
18878291377565838 ~1988
188784375663531119 ~1991
188784671887846719 ~1990
188787734530905539 ~1990
18878939377578798 ~1988
18879491377589838 ~1988
18879599377591998 ~1988
18879671377593438 ~1988
188796771132780639 ~1989
18880451377609038 ~1988
18880583377611678 ~1988
188809371510474979 ~1989
18882959377659198 ~1988
188830132643621839 ~1990
Exponent Prime Factor Digits Year
18883043377660878 ~1988
18884291377685838 ~1988
188852531133115199 ~1989
188853671888536719 ~1990
18885983377719678 ~1988
188862673021802739 ~1990
188864111888641119 ~1990
18886799377735998 ~1988
188872873399711679 ~1990
188881131133286799 ~1989
188887631888876319 ~1990
18888839377776798 ~1988
188892317933477039 ~1991
188894572644523999 ~1990
18889631377792638 ~1988
188899732644596239 ~1990
188905811133434879 ~1989
18890603377812078 ~1988
188907411133444479 ~1989
188909531133457199 ~1989
188910171511281379 ~1989
18891023377820478 ~1988
18891311377826238 ~1988
18891877120908012910 ~1991
188921211511369699 ~1989
Exponent Prime Factor Digits Year
188921411133528479 ~1989
18892199377843998 ~1988
18892259377845198 ~1988
18892343377846878 ~1988
188925613022809779 ~1990
18892739377854798 ~1988
18892799377855998 ~1988
188928011133568079 ~1989
18893219377864398 ~1988
18893711377874238 ~1988
188943011133658079 ~1989
18894443377888878 ~1988
18894671377893438 ~1988
18895207109592200710 ~1991
18895379377907598 ~1988
18895463377909278 ~1988
188956217558248419 ~1991
18895703377914078 ~1988
18895991377919838 ~1988
18896243377924878 ~1988
18896411377928238 ~1988
18896939377938798 ~1988
18897563377951278 ~1988
188976911889769119 ~1990
18897779377955598 ~1988
1380
GIMPS The Prime Pages FactorDb.com
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25-05-04