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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.
Exp. Prime Factor Digits Year
29257313569391839
2925733175543998 ~1983
29258211814009039 ~1985
2925941936301138 ~1984
2926067526692078 ~1984
292615158523037 ~1981
2926309643787998 ~1984
292640358528077 ~1981
29266331170653219 ~1985
2926657175599438 ~1983
29267511463375519 ~1985
292682358536477 ~1981
292691958538397 ~1981
2927101468336178 ~1984
292721958544397 ~1981
2927459234196738 ~1983
2927473175648398 ~1983
2927473702593538
2927537409855198 ~1984
292759158551837 ~1981
2927711234216898 ~1983
2927713468434098 ~1984
2927789234223138 ~1983
2928049878414718 ~1984
292808358561677 ~1981
Exp. Prime Factor Digits Year
2928089409932478 ~1984
292811958562397 ~1981
2928173175690398 ~1983
292820358564077 ~1981
2928361175701678 ~1983
2928361468537778
2928479702834978 ~1984
2928509234280738 ~1983
2928691292869118 ~1983
292879158575837 ~1981
2929061175743678 ~1983
2929099292909918 ~1983
292925958585197 ~1981
292934358586877 ~1981
2929529234362338 ~1983
292957158591437 ~1981
2929607234368578 ~1983
2929813175788798 ~1983
2929961175797678 ~1983
2930119293011918 ~1983
29301731582293439 ~1985
2930381175822878 ~1983
2930401175824078 ~1983
2930491293049118 ~1983
2930507703321698 ~1984
Exp. Prime Factor Digits Year
2930533175831998 ~1983
2930633410288638 ~1984
2930713175842798 ~1983
29307611348150079 ~1985
293083158616637 ~1981
2930861175851678 ~1983
293108358621677 ~1981
2931101234488098 ~1983
2931241468998578 ~1984
2931319703516578 ~1984
2931637175898238 ~1983
2931847996827998 ~1984
2931941175916478 ~1983
2931961469113778 ~1984
293203158640637 ~1981
2932067703696098 ~1984
293234358646877 ~1981
2932577234606178 ~1983
293270358654077 ~1981
2932871938518738 ~1984
293293158658637 ~1981
2932981175978878 ~1983
2932999703919778 ~1984
2933023469283698 ~1984
2933083469293298 ~1984
Exp. Prime Factor Digits Year
2933267527988078 ~1984
2933291527992398 ~1984
2933311293331118 ~1983
2933479704034978 ~1984
293353158670637 ~1981
2933677176020638 ~1983
2933717234697378 ~1983
2934091528136398 ~1984
293431158686237 ~1981
2934311234744898
2934361176061678 ~1983
2934401234752098 ~1983
2934473704273538 ~1984
293447958689597 ~1981
2934629410848078 ~1984
2934647234771778 ~1983
293467158693437 ~1981
293483958696797 ~1981
2934871528276798 ~1984
2934881176092878 ~1983
2934917880475118 ~1984
2934941939181138 ~1984
2935183293518318 ~1983
293537958707597 ~1981
29353792172180479
491
GIMPS The Prime Pages FactorDb.com
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25-06-01