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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
391957012351742079 ~1991
39195899783917998 ~1990
391964572351787439 ~1991
391969872226388861711 ~1996
391985572351913439 ~1991
39198983783979678 ~1990
392001012352006079 ~1991
39200123784002478 ~1990
39200459784009198 ~1990
392012932352077599 ~1991
39202763784055278 ~1990
39203291784065838 ~1990
39203459784069198 ~1990
39204299784085998 ~1990
39204359784087198 ~1990
39204383784087678 ~1990
39205511784110238 ~1990
39205571784111438 ~1990
39205739784114798 ~1990
39208943784178878 ~1990
392092812352556879 ~1991
392105339410527939 ~1993
39210911784218238 ~1990
39211283784225678 ~1990
39212759784255198 ~1990
Exponent Prime Factor Digits Year
39212891784257838 ~1990
39214739784294798 ~1990
392148676274378739 ~1993
39215723784314478 ~1990
39215843784316878 ~1990
39216299290200612710 ~1994
392169732353018399 ~1991
39217103784342078 ~1990
39217823784356478 ~1990
39218639784372798 ~1990
39219539784390798 ~1990
39221471784429438 ~1990
392227633922276319 ~1992
39222803784456078 ~1990
39224063784481278 ~1990
39224183784483678 ~1990
392243233922432319 ~1992
392251913138015299 ~1992
39225863784517278 ~1990
39226391784527838 ~1990
39227099784541998 ~1990
392272979414551299 ~1993
39227399784547998 ~1990
39227651784553038 ~1990
39229691784593838 ~1990
Exponent Prime Factor Digits Year
39230423784608478 ~1990
39230699784613998 ~1990
39230783784615678 ~1990
39230819784616398 ~1990
39231109274617763110 ~1994
39231743784634878 ~1990
39232883784657678 ~1990
39236831784736638 ~1990
39236903784738078 ~1990
392381393139051139 ~1992
39239003784780078 ~1990
392401913139215299 ~1992
39241439784828798 ~1990
39243983784879678 ~1990
39245099784901998 ~1990
392455279418926499 ~1993
392455873924558719 ~1992
392477993139823939 ~1992
39249851784997038 ~1990
39251483785029678 ~1990
392515033925150319 ~1992
39251951785039038 ~1990
39252263785045278 ~1990
39252527314020216110 ~1994
39253139785062798 ~1990
Exponent Prime Factor Digits Year
39254471785089438 ~1990
392557739421385539 ~1993
39255899785117998 ~1990
39256369157025476110 ~1993
39256643785132878 ~1990
392569932355419599 ~1991
39257167188434401710 ~1994
39257279785145598 ~1990
392573412355440479 ~1991
392588412355530479 ~1991
392592193925921919 ~1992
39259439785188798 ~1990
39260723785214478 ~1990
39262043785240878 ~1990
392622433926224319 ~1992
392635793141086339 ~1992
39264191785283838 ~1990
39264671785293438 ~1990
39266099785321998 ~1990
39266219785324398 ~1990
39267023785340478 ~1990
39267971785359438 ~1990
39269003785380078 ~1990
39270299785405998 ~1990
39273023785460478 ~1990
1938
GIMPS The Prime Pages FactorDb.com
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25-06-29