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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
12452399996191938 ~1988
124526632988639139 ~1989
12452873747172398 ~1988
124528998966087299 ~1990
12453659249073198 ~1986
12453671249073438 ~1986
124537614732429199 ~1990
12454031249080638 ~1986
12454223249084478 ~1986
124543133985380179 ~1989
12454439249088798 ~1986
12454619249092398 ~1986
12454691249093838 ~1986
12455039249100798 ~1986
12455591996447298 ~1988
12455711249114238 ~1986
12455753747345198 ~1988
12455783249115678 ~1986
12456011249120238 ~1986
12456131249122638 ~1986
12456491249129838 ~1986
12456791249135838 ~1986
124574092989778179 ~1989
124575911245759119 ~1988
12457619249152398 ~1986
Exponent Prime Factor Digits Year
12457967996637378 ~1988
12457981747478878 ~1988
12458279996662338 ~1988
124582792989986979
124583592242504639 ~1989
12458903249178078 ~1986
12459143249182878 ~1986
12459431249188638 ~1986
12459437747566238 ~1988
124594811993516979 ~1989
12459581996766498 ~1988
12459947996795778 ~1988
12460081747604878 ~1988
12460121747607278 ~1988
12460163249203278 ~1986
12460271249205438 ~1986
12460391249207838 ~1986
12460463249209278 ~1986
12460493747629598 ~1988
12461243249224878 ~1986
12461257747675438 ~1988
12461483249229678 ~1986
124617971993887539 ~1989
12461831249236638 ~1986
12461957747717438 ~1988
Exponent Prime Factor Digits Year
12462179249243598 ~1986
12462311249246238 ~1986
12462337747740238 ~1988
12463151249263038 ~1986
12463151997052098
12463331249266638 ~1986
124641891744986479 ~1988
12464293747857598 ~1988
12464411249288238 ~1986
124644832991475939 ~1989
12464897747893838 ~1988
124652392243743039 ~1989
12465419249308398 ~1986
124657572991781699 ~1989
12466241747974478 ~1988
12466511249330238 ~1986
12466691249333838 ~1986
124670112244061999 ~1989
12467639249352798 ~1986
12468563249371278 ~1986
12468779249375598 ~1986
12469199249383998 ~1986
12469573748174398 ~1988
12469637748178238 ~1988
12469799249395998 ~1986
Exponent Prime Factor Digits Year
12470351249407038 ~1986
12470603249412078 ~1986
12470723249414478 ~1986
12470891249417838 ~1986
124713671247136719 ~1988
12472259249445198 ~1986
12472391249447838 ~1986
12472393748343598 ~1988
12472403249448078 ~1986
124725132993403139 ~1989
12472703249454078 ~1986
12472931249458638 ~1986
12473183249463678 ~1986
12473663249473278 ~1986
12473711249474238 ~1986
12473759249475198 ~1986
12473893748433598 ~1988
124739112245303999 ~1989
12474023249480478 ~1986
12474181748450878 ~1988
12474359249487198 ~1986
12474419249488398 ~1986
12474743249494878 ~1986
12474779249495598 ~1986
12474851249497038 ~1986
1139
GIMPS The Prime Pages FactorDb.com
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25-06-01