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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
1215997571243199514310 ~2002
1216010177729606106310 ~2003
1216027079243205415910 ~2002
1216041719243208343910 ~2002
1216043219243208643910 ~2002
1216065491243213098310 ~2002
1216106581729663948710 ~2003
1216154531243230906310 ~2002
1216176431243235286310 ~2002
1216181257729708754310 ~2003
1216204897729722938310 ~2003
1216209803243241960710 ~2002
1216238339243247667910 ~2002
1216243079243248615910 ~2002
1216254023243250804710 ~2002
1216272047973017637710 ~2003
1216315871243263174310 ~2002
1216347851243269570310 ~2002
1216373801729824280710 ~2003
1216403003243280600710 ~2002
1216419251243283850310 ~2002
12164277772919426664911 ~2005
12164528571703033999911 ~2004
1216459091243291818310 ~2002
1216511843243302368710 ~2002
Exponent Prime Factor Digits Year
1216516681729910008710 ~2003
1216539743243307948710 ~2002
1216561691243312338310 ~2002
1216599341729959604710 ~2003
12166523231946643716911 ~2004
1216654057729992434310 ~2003
12166578011946652481711 ~2004
1216666991243333398310 ~2002
12166860171703360423911 ~2004
1216692299243338459910 ~2002
1216703879243340775910 ~2002
1216708523243341704710 ~2002
1216750211243350042310 ~2002
1216752541730051524710 ~2003
12167905736814027208911 ~2006
1216803743243360748710 ~2002
1216875323243375064710 ~2002
1216905929973524743310 ~2003
1216975439243395087910 ~2002
1216986779243397355910 ~2002
1217009543243401908710 ~2002
1217023583243404716710 ~2002
1217032079243406415910 ~2002
1217070377730242226310 ~2003
1217078363243415672710 ~2002
Exponent Prime Factor Digits Year
1217098193730258915910 ~2003
1217099783243419956710 ~2002
1217114603243422920710 ~2002
1217149421730289652710 ~2003
1217185523243437104710 ~2002
1217211251243442250310 ~2002
1217220083243444016710 ~2002
1217272163243454432710 ~2002
1217276717730366030310 ~2003
12172832813895306499311 ~2005
12173112195112707119911 ~2005
1217349851243469970310 ~2002
1217364191243472838310 ~2002
1217368499243473699910 ~2002
1217373539973898831310 ~2003
12173744535599922483911 ~2005
1217384699243476939910 ~2002
1217389559243477911910 ~2002
1217391341730434804710 ~2003
1217417291243483458310 ~2002
1217432603243486520710 ~2002
1217464043243492808710 ~2002
1217469041730481424710 ~2003
1217495159243499031910 ~2002
1217509823243501964710 ~2002
Exponent Prime Factor Digits Year
1217536499243507299910 ~2002
1217556383243511276710 ~2002
1217563211974050568910 ~2003
1217579243243515848710 ~2002
1217582231243516446310 ~2002
1217586791243517358310 ~2002
1217601923243520384710 ~2002
1217605283243521056710 ~2002
1217640923243528184710 ~2002
12176949132922467791311 ~2005
1217710523243542104710 ~2002
1217736083243547216710 ~2002
12177693792191984882311 ~2004
1217811011243562202310 ~2002
1217815019243563003910 ~2002
1217830331243566066310 ~2002
12178765214871506084111 ~2005
121790231913884086436712 ~2006
1217924783243584956710 ~2002
1217927363243585472710 ~2002
1217942639243588527910 ~2002
1217944499243588899910 ~2002
1217984903243596980710 ~2002
12180013316820807453711 ~2006
12180026231218002623111 ~2004
4142
GIMPS The Prime Pages FactorDb.com
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26-08-02