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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
30775523615510478 ~1989
30775631615512638 ~1989
30776051615521038 ~1989
30776591615531838 ~1989
30777119615542398 ~1989
307773913077739119 ~1991
30777419615548398 ~1989
30777431615548638 ~1989
30777563615551278 ~1989
30778523615570478 ~1989
30779291615585838 ~1989
30779351615587038 ~1989
30779711615594238 ~1989
30780479615609598 ~1989
30781343615626878 ~1989
30781379615627598 ~1989
30781511615630238 ~1989
307817331846903999 ~1991
30782651615653038 ~1989
30783299615665998 ~1989
30783419615668398 ~1989
30783803615676078 ~1989
30784031615680638 ~1989
30784619615692398 ~1989
307848892462791139 ~1991
Exponent Prime Factor Digits Year
30784991615699838 ~1989
30785159615703198 ~1989
307852131847112799 ~1991
30785459615709198 ~1989
30785999615719998 ~1989
30786263615725278 ~1989
307868171847209039 ~1991
30786851615737038 ~1989
307869115541643999 ~1992
30787511615750238 ~1989
30787583615751678 ~1989
307884971847309839 ~1991
30789659615793198 ~1989
30789971615799438 ~1989
307901811847410879 ~1991
307902731847416399 ~1991
30790559615811198 ~1989
307905675542302079 ~1992
30790943615818878 ~1989
307913995542451839 ~1992
30791459615829198 ~1989
307918192463345539 ~1991
30792059615841198 ~1989
30792683615853678 ~1989
307935193079351919 ~1991
Exponent Prime Factor Digits Year
30793739615874798 ~1989
30794591615891838 ~1989
30794903615898078 ~1989
30795119615902398 ~1989
30795683615913678 ~1989
30795731615914638 ~1989
30795983615919678 ~1989
307962172463697379 ~1991
30796439615928798 ~1989
30796943615938878 ~1989
30797099615941998 ~1989
30797111615942238 ~1989
30797219615944398 ~1989
30797411615948238 ~1989
307981971847891839 ~1991
30798419615968398 ~1989
30798731615974638 ~1989
307987874927805939 ~1992
30799451615989038 ~1989
307998195543967439 ~1992
308004797392114979 ~1992
30800531616010638 ~1989
30801143616022878 ~1989
308012931848077599 ~1991
30802043616040878 ~1989
Exponent Prime Factor Digits Year
30802091616041838 ~1989
30804071616081438 ~1989
308042531848255199 ~1991
30804283104734562310 ~1992
30804311616086238 ~1989
308045771848274639 ~1991
308045934312643039 ~1992
308048531848291199 ~1991
308052771848316639 ~1991
30805679616113598 ~1989
30805919616118398 ~1989
30806411616128238 ~1989
30806519616130398 ~1989
30806843616136878 ~1989
308069331848415999 ~1991
308072536777595679 ~1992
30807299616145998 ~1989
30807611616152238 ~1989
30807743616154878 ~1989
30808163616163278 ~1989
30808331616166638 ~1989
30808439616168798 ~1989
30808619616172398 ~1989
30808763616175278 ~1989
30809171616183438 ~1989
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25-07-08