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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
27562883551257678 ~1989
27563639551272798 ~1989
27563999551279998 ~1989
275640771653844639 ~1990
27565199551303998 ~1989
27565319551306398 ~1989
275658731653952399 ~1990
27566243551324878 ~1989
27566879551337598 ~1989
275668994962041839 ~1991
27567623551352478 ~1989
275679374410869939 ~1991
27567971551359438 ~1989
27568043551360878 ~1989
27568091551361838 ~1989
27568319551366398 ~1989
275684811654108879 ~1990
27569039551380798 ~1989
27569519551390398 ~1989
27569771551395438 ~1989
27569891551397838 ~1989
27570443551408878 ~1989
27570551551411038 ~1989
27571343551426878 ~1989
27571499551429998 ~1989
Exponent Prime Factor Digits Year
27572123551442478 ~1989
27572651551453038 ~1989
275728874963119679 ~1991
27573671551473438 ~1989
275737811654426879 ~1990
27574511551490238 ~1989
27574559551491198 ~1989
27575591551511838 ~1989
27575651551513038 ~1989
275757111130604151111 ~1995
27576119551522398 ~1989
27576683551533678 ~1989
27577223551544478 ~1989
27577499551549998 ~1989
27577523551550478 ~1989
275775674963962079 ~1991
27577919551558398 ~1989
27579179551583598 ~1989
275800931654805599 ~1990
27580391551607838 ~1989
27581579551631598 ~1989
27581759551635198 ~1989
27581951551639038 ~1989
27582179551643598 ~1989
27582251551645038 ~1989
Exponent Prime Factor Digits Year
27582563551651278 ~1989
275827331654963999 ~1990
27583271551665438 ~1989
27583331551666638 ~1989
27583343551666878 ~1989
27583883551677678 ~1989
27583931551678638 ~1989
27584339551686798 ~1989
27584363551687278 ~1989
275849512206796099 ~1991
27585791551715838 ~1989
27585839551716798 ~1989
27586199551723998 ~1989
27586343551726878 ~1989
27586439551728798 ~1989
27586991551739838 ~1989
275869912206959299
27587267463466085710 ~1994
275875792207006339 ~1991
27587723551754478 ~1989
27588023551760478 ~1989
275883074414129139 ~1991
27588479551769598 ~1989
275885531655313199 ~1990
275890331655341999 ~1990
Exponent Prime Factor Digits Year
27589343551786878 ~1989
27589823551796478 ~1989
27589979132431899310 ~1992
27590471551809438 ~1989
275906174414498739 ~1991
275907412207259299 ~1991
275914138829252179 ~1992
275917971655507839 ~1990
275942931655657599 ~1990
27594299551885998 ~1989
275943131655658799 ~1990
275948571655691439 ~1990
27595643551912878 ~1989
27596111551922238 ~1989
27596279551925598 ~1989
27596291551925838 ~1989
27596903551938078 ~1989
27597491551949838 ~1989
275975531655853199 ~1990
27597599551951998 ~1989
275978092207824739 ~1991
27598139551962798 ~1989
27598331551966638 ~1989
27598523551970478 ~1989
27598859551977198 ~1989
1598
GIMPS The Prime Pages FactorDb.com
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24-10-27