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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
170831271366650179 ~1989
17083211341664238 ~1987
17083259341665198 ~1987
17083343341666878 ~1987
17083439341668798 ~1987
17083571341671438 ~1987
170837411025024479 ~1989
17083823341676478 ~1987
17083919341678398 ~1987
170839933758478479 ~1990
17084051341681038 ~1987
17084279341685598 ~1987
17084783341695678 ~1987
170849811025098879 ~1989
17085097119595679110 ~1991
17085179341703598 ~1987
170857211025143279 ~1989
17086451341729038 ~1987
17086703341734078 ~1987
17086799341735998 ~1987
170869194100860579 ~1990
17087111341742238 ~1987
17088251341765038 ~1987
17088299341765998 ~1987
17088611341772238 ~1987
Exponent Prime Factor Digits Year
170887615126628319 ~1990
17089031341780638 ~1987
170891171025347039 ~1989
170896511708965119 ~1989
170896871708968719 ~1989
17089739341794798 ~1987
17089883341797678 ~1987
17090039341800798 ~1987
17090819341816398 ~1987
17091083341821678 ~1987
17091131341822638 ~1987
17091143341822878 ~1987
17091551341831038 ~1987
170917071367336579 ~1989
17091779341835598 ~1987
170918711709187119 ~1989
170921932392907039 ~1990
17092451341849038 ~1987
17092499341849998 ~1987
170926391709263919 ~1989
170927931025567599 ~1989
17092931341858638 ~1987
17093039341860798 ~1987
170935371025612239 ~1989
170937371025624239 ~1989
Exponent Prime Factor Digits Year
170937791709377919 ~1989
170938372393137199 ~1990
170940131025640799 ~1989
170941273076942879 ~1990
170943471367547779 ~1989
17094419341888398 ~1987
170945574102693699 ~1990
17094611341892238 ~1987
17094739194880024710 ~1992
17094743341894878 ~1987
17094839341896798 ~1987
17094971341899438 ~1987
17095439341908798 ~1987
17095499341909998 ~1987
17095583341911678 ~1987
170956332735301299 ~1990
17096063341921278 ~1987
17096231341924638 ~1987
17096771341935438 ~1987
170968393077431039 ~1990
17097361830931744710 ~1993
17097491341949838 ~1987
17097623341952478 ~1987
17098331341966638 ~1987
170983971367871779 ~1989
Exponent Prime Factor Digits Year
170984216497399999 ~1991
17098703341974078 ~1987
17098751341975038 ~1987
17099279341985598 ~1987
17099903341998078 ~1987
17100131342002638 ~1987
171006171026037039 ~1989
17100899342017998 ~1987
171013211026079279 ~1989
17101943342038878 ~1987
17102339342046798 ~1987
171030131026180799 ~1989
17103143342062878 ~1987
17104469246304353710 ~1992
171045532394637439 ~1990
171045971026275839 ~1989
171049331026295999 ~1989
17105531342110638 ~1987
17105771342115438 ~1987
17106179342123598 ~1987
171062771026376639 ~1989
17106829119747803110 ~1991
17106959342139198 ~1987
17107199342143998 ~1987
17108051342161038 ~1987
1359
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25-10-20