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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
9188351183767038 ~1985
9188897735111778 ~1987
9189023183780478 ~1985
91890711654032799 ~1988
9189079918907918 ~1987
9189419183788398 ~1985
9189599183791998 ~1985
9189623183792478 ~1985
9189689735175138 ~1987
91898931286585039 ~1987
9189923183798478 ~1985
91899371470389939 ~1988
9190073551404398 ~1987
9190121551407278 ~1987
9190121735209698
9190249102930788910 ~1990
9190331735226498 ~1987
9190613551436798 ~1987
9190801551448078 ~1987
9191201551472078 ~1987
9191381735310498 ~1987
9191519735321538 ~1987
9191711183834238 ~1985
91917711654518799 ~1988
91917732206025539 ~1988
Exp. Prime Factor Digits Year
9191783183835678 ~1985
9192041551522478 ~1987
91920471654568479 ~1988
91923892206173379 ~1988
9192413551544798 ~1987
9192803183856078 ~1985
9192959183859198 ~1985
91930692022475199 ~1988
9193091183861838 ~1985
91932316067532479 ~1989
9193343193060203110 ~1990
9193417551605038 ~1987
9193703183874078 ~1985
9193741551624478 ~1987
9194261551655678 ~1987
9194279735542338 ~1987
9194377551662638 ~1987
9194483183889678 ~1985
91945275332825679 ~1989
9194767919476718 ~1987
9194903183898078 ~1985
9195083183901678 ~1985
9195143183902878 ~1985
9195383183907678 ~1985
9195539735643138 ~1987
Exp. Prime Factor Digits Year
9195757551745438 ~1987
9195911183918238 ~1985
9196081551764878 ~1987
9196223183924478 ~1985
9196241735699298 ~1987
9196633551797998 ~1987
9196661735732898 ~1987
9196679183933598 ~1985
9196783919678318 ~1987
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
Exp. Prime Factor Digits Year
9198443281472355910 ~1991
9198503183970078 ~1985
9198743183974878 ~1985
9198779183975598 ~1985
9198851183977038 ~1985
9199013551940798 ~1987
9199117551947038 ~1987
9199121735929698 ~1987
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
1006
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26-01-11