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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
183406132567685839 ~1990
18340859366817198 ~1988
183414371100486239 ~1989
183418671467349379 ~1989
183419411100516479 ~1989
18342119366842398 ~1988
183421611467372899 ~1989
18342851366857038 ~1988
18342899366857998 ~1988
183429677337186819 ~1991
18343043366860878 ~1988
183433871834338719 ~1989
183434691467477539 ~1989
18343571366871438 ~1988
18343679366873598 ~1988
18343931366878638 ~1988
18344303366886078 ~1988
18344603366892078 ~1988
18344723366894478 ~1988
18344831366896638 ~1988
183454615870547539 ~1991
18345479366909598 ~1988
18345683366913678 ~1988
183460931100765599 ~1989
183463331100779999 ~1989
Exponent Prime Factor Digits Year
18346631366932638 ~1988
18347051366941038 ~1988
18347243366944878 ~1988
183478212935651379 ~1990
18348371366967438 ~1988
183484811100908879 ~1989
18348611366972238 ~1988
183486911834869119 ~1989
18348719366974398 ~1988
18348749132110992910 ~1992
183489011100934079 ~1989
183492171100953039 ~1989
18349679366993598 ~1988
183506711835067119 ~1989
18351059367021198 ~1988
18351191367023838 ~1988
183513371101080239 ~1989
183516295872521299 ~1991
18352199367043998 ~1988
183529271835292719 ~1989
183533931101203599 ~1989
18354359367087198 ~1988
18354443367088878 ~1988
18354599367091998 ~1988
18354911367098238 ~1988
Exponent Prime Factor Digits Year
18354971367099438 ~1988
18355079367101598 ~1988
18355451367109038 ~1988
183555531101333199 ~1989
18355583367111678 ~1988
183557831835578319 ~1989
18356003367120078 ~1988
183563211468505699 ~1989
18357191367143838 ~1988
18357491367149838 ~1988
183574911468599299
18357503411208067310 ~1993
18358271664569410310 ~1993
183583212937331379 ~1990
18358523367170478 ~1988
18359717323131019310 ~1992
18359879367197598 ~1988
18360071367201438 ~1988
18360131367202638 ~1988
18360383367207678 ~1988
18360577396588463310 ~1993
18360971367219438 ~1988
18361859367237198 ~1988
18361883367237678 ~1988
18361979367239598 ~1988
Exponent Prime Factor Digits Year
183622371101734239 ~1989
18362411367248238 ~1988
18362699367253998 ~1988
183627611101765679 ~1989
18363011367260238 ~1988
183631331101787999 ~1989
183632519181625519 ~1991
18363263367265278 ~1988
183637996243691679 ~1991
183639912938238579 ~1990
18364259367285198 ~1988
183647691469181539 ~1989
18364799367295998 ~1988
183649397345975619 ~1991
183653711836537119 ~1989
183654111469232899 ~1989
18366371367327438 ~1988
18366839367336798 ~1988
18366899367337998 ~1988
18366923367338478 ~1988
183671894040781599 ~1990
183673972571435599 ~1990
183674831836748319 ~1989
183677572571485999 ~1990
18367859367357198 ~1988
1361
GIMPS The Prime Pages FactorDb.com
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25-05-04