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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.
Exp. Prime Factor Digits Year
9196919183938398 ~1985
9196939919693918 ~1987
9197261551835678 ~1987
9197351183947038 ~1985
9197351735788098
9197533551851998 ~1987
9197537551852238 ~1987
9197543183950878 ~1985
9197579183951598 ~1985
9197651183953038 ~1985
9197819183956398 ~1985
9197921551875278 ~1987
9197921735833698
9197983919798318 ~1987
9198383183967678 ~1985
9198407735872578 ~1987
9198443281472355910 ~1991
9198503183970078 ~1985
9198743183974878 ~1985
9198779183975598 ~1985
9198799919879918 ~1987
9198851183977038 ~1985
9199013551940798 ~1987
9199117551947038 ~1987
9199121735929698 ~1987
Exp. Prime Factor Digits Year
9199187735934978 ~1987
9199247735939778 ~1987
9199259183985198 ~1985
9199417551965038 ~1987
9199523183990478 ~1985
91999193863965999 ~1989
9199997551999838 ~1987
9200053552003198 ~1987
9200119920011918 ~1987
9200137552008238 ~1987
9200651184013038 ~1985
9200963184019278 ~1985
9200977552058638 ~1987
9201089736087138 ~1987
92014271472228339 ~1988
9201623184032478 ~1985
9201779184035598 ~1985
9201971184039438 ~1985
92020732208497539 ~1988
92024471656440479 ~1988
9202493552149598 ~1987
9202601736208098 ~1987
9202679736214338 ~1987
9202709736216738 ~1987
9202871184057438 ~1985
Exp. Prime Factor Digits Year
9203303184066078 ~1985
9203459184069198 ~1985
9203471184069438 ~1985
9203891184077838 ~1985
9204491184089838 ~1985
9204593552275598 ~1987
9204703920470318 ~1987
9204913552294798 ~1987
9204983184099678 ~1985
9205013552300798 ~1987
9205019184100398 ~1985
9205271184105438 ~1985
9205271736421698
9205277552316638 ~1987
9205321552319278 ~1987
9205379184107598 ~1985
9205523184110478 ~1985
92056491288790879 ~1987
9205739184114798 ~1985
92057691288807679 ~1987
9205961552357678 ~1987
9206053552363198 ~1987
9206159184123198 ~1985
9206261736500898 ~1987
92062911657132399 ~1988
Exp. Prime Factor Digits Year
92064474603223519 ~1989
9206713552402798 ~1987
9207853552471198 ~1987
9207959184159198 ~1985
9208037552482238 ~1987
9208571184171438 ~1985
9208583184171678 ~1985
9208739736699138 ~1987
9208931184178638 ~1985
9208937736714978 ~1987
9209141552548478 ~1987
9209279184185598 ~1985
9209401552564078 ~1987
9209489736759138 ~1987
9209771184195438 ~1985
9209831184196638 ~1985
9210059184201198 ~1985
9210119184202398 ~1985
9210119736809538
9210203184204078 ~1985
9210241552614478 ~1987
9210613552636798 ~1987
9210673552640398 ~1987
9210757552645438 ~1987
9210841552650478 ~1987
1028
GIMPS The Prime Pages FactorDb.com
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26-07-05