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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
12399193743951598 ~1988
123996431983942899 ~1989
12399983247999678 ~1986
124006692728147199 ~1989
12401579248031598 ~1986
12401723248034478 ~1986
12401861744111678 ~1988
12402191248043838 ~1986
12402251248045038 ~1986
12402281744136878 ~1988
12402431248048638 ~1986
12402569126506203910 ~1991
12402893744173598 ~1988
12403031992242498 ~1988
12403571248071438 ~1986
12403753744225198 ~1988
12403763248075278 ~1986
124038833969242579 ~1989
12403889992311138 ~1988
124039573721187119 ~1989
12404677744280638 ~1988
12404729992378338 ~1988
12405013744300798 ~1988
12405023248100478 ~1986
124053431240534319 ~1988
Exponent Prime Factor Digits Year
12405817744349038 ~1988
12406057744363438 ~1988
12406151248123038 ~1986
12406421744385278 ~1988
12406501744390078 ~1988
12406631248132638 ~1986
12406673744400398 ~1988
12406897744413838 ~1988
12407159248143198 ~1986
12407243248144878 ~1986
124075731737060239 ~1988
12407581744454878 ~1988
124077618933587939 ~1990
12407831992626498 ~1988
12407861744471678 ~1988
12407981744478878 ~1988
12408239248164798 ~1986
124085092978042179 ~1989
12408551248171038 ~1986
12408659248173198 ~1986
12408899248177998 ~1986
12408923248178478 ~1986
12408973744538398 ~1988
12409139248182798 ~1986
12409141744548478 ~1988
Exponent Prime Factor Digits Year
124093912233690399 ~1989
12409561744573678 ~1988
12409619248192398 ~1986
12409693744581598 ~1988
12409697744581838 ~1988
12409979248199598 ~1986
12410141744608478 ~1988
124103933971325779 ~1989
12410641744638478 ~1988
12410759992860738 ~1988
12411023248220478 ~1986
124110596205529519 ~1990
12411083248221678 ~1986
12411221992897698 ~1988
12411341744680478 ~1988
12411359248227198 ~1986
12411433744685998 ~1988
12411491248229838 ~1986
12411599248231998 ~1986
12412199248243998 ~1986
12412271248245438 ~1986
12412451248249038 ~1986
12412511248250238 ~1986
12412583248251678 ~1986
124127537944161939 ~1990
Exponent Prime Factor Digits Year
12412781744766878 ~1988
12412913744774798 ~1988
12412949993035938 ~1988
12412997993039778 ~1988
12413579993086338 ~1988
12413651248273038 ~1986
12414383248287678 ~1986
12415031248300638 ~1986
12415177744910638 ~1988
12415211248304238 ~1986
12415217744913038 ~1988
124153436952592099 ~1990
12415421744925278 ~1988
12415439993235138 ~1988
12415681744940878 ~1988
12415813744948798 ~1988
12416003248320078 ~1986
12416279248325598 ~1986
12416357993308578 ~1988
12416401744984078 ~1988
12416531248330638 ~1986
12416639248332798 ~1986
124166831241668319 ~1988
12416759248335198 ~1986
12416947141553195910 ~1991
1196
GIMPS The Prime Pages FactorDb.com
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26-03-15