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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
183281991466255939 ~1989
18328811366576238 ~1988
18328991366579838 ~1988
183291411099748479 ~1989
183291913299254399 ~1990
18329543366590878 ~1988
183298631832986319 ~1989
18329903366598078 ~1988
18329939366598798 ~1988
183302931099817599 ~1989
18330359366607198 ~1988
18331031366620638 ~1988
18331259366625198 ~1988
183318134032998879 ~1990
18332243366644878 ~1988
18332399366647998 ~1988
183325191466601539 ~1989
18332591366651838 ~1988
18333083366661678 ~1988
183336971100021839 ~1989
18333923366678478 ~1988
18334271366685438 ~1988
18335423366708478 ~1988
18335543366710878 ~1988
18335591366711838 ~1988
Exponent Prime Factor Digits Year
183358812933740979 ~1990
18336299366725998 ~1988
183368211100209279 ~1989
18337043366740878 ~1988
18337139366742798 ~1988
18337283366745678 ~1988
18337331366746638 ~1988
18337391366747838 ~1988
18337691366753838 ~1988
18338219366764398 ~1988
183382791467062339 ~1989
18338471366769438 ~1988
18338711366774238 ~1988
18338779282417196710 ~1992
18339059366781198 ~1988
18339239366784798 ~1988
183396115868675539 ~1991
18339851366797038 ~1988
18340043366800878 ~1988
18340163366803278 ~1988
183402371100414239 ~1989
18340423616238212910 ~1993
18340463366809278 ~1988
183406132567685839 ~1990
18340859366817198 ~1988
Exponent Prime Factor Digits Year
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
18346631366932638 ~1988
18347051366941038 ~1988
Exponent Prime Factor Digits Year
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
18354971367099438 ~1988
18355079367101598 ~1988
1355
GIMPS The Prime Pages FactorDb.com
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25-04-13