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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
22636319452726398 ~1988
22636871452737438 ~1988
22637003452740078 ~1988
22637663452753278 ~1988
22637831452756638 ~1988
22637903452758078 ~1988
226380371358282239 ~1990
226382271811058179 ~1990
22638263452765278 ~1988
22638491452769838 ~1988
226387277697167199 ~1991
22638743452774878 ~1988
226388816791664319 ~1991
22638971452779438 ~1988
226393611358361679 ~1990
22639499452789998 ~1988
22639511452790238 ~1988
226398731358392399 ~1990
22639943452798878 ~1988
22640339452806798 ~1988
22640759452815198 ~1988
226407773169708799 ~1990
22640939452818798 ~1988
22640963452819278 ~1988
22641383452827678 ~1988
Exponent Prime Factor Digits Year
226413973622623539 ~1991
226416914075504399 ~1991
22641719452834398 ~1988
22642211452844238 ~1988
226424571358547439 ~1990
226429671811437379 ~1990
226433474075802479 ~1991
22644131452882638 ~1988
22644299452885998 ~1988
22644383452887678 ~1988
22644899452897998 ~1988
22645043452900878 ~1988
22645057285327718310 ~1993
226450611358703679 ~1990
22645163452903278 ~1988
22645223452904478 ~1988
226453331358719999 ~1990
22645583452911678 ~1988
22646051452921038 ~1988
22646171452923438 ~1988
22646483452929678 ~1988
22646699452933998 ~1988
22646759452935198 ~1988
22646843452936878 ~1988
22647503452950078 ~1988
Exponent Prime Factor Digits Year
22647983452959678 ~1988
226482371358894239 ~1990
22649051452981038 ~1988
22649183452983678 ~1988
226497891811983139 ~1990
22650359453007198 ~1988
226504931359029599 ~1990
22650539453010798 ~1988
22650731453014638 ~1988
22650923453018478 ~1988
22651091453021838 ~1988
22652939453058798 ~1988
22653479453069598 ~1988
226547594077856639 ~1991
22654979453099598 ~1988
22655051453101038 ~1988
22655579453111598 ~1988
22655651453113038 ~1988
226556511812452099
22655819453116398 ~1988
22656323453126478 ~1988
22656779453135598 ~1988
226571473135749144911 ~1995
226572117250307539 ~1991
22657643453152878 ~1988
Exponent Prime Factor Digits Year
226576731359460399 ~1990
22657751453155038 ~1988
22658063453161278 ~1988
22658351453167038 ~1988
22658591453171838 ~1988
22659023453180478 ~1988
22660199453203998 ~1988
226604811812838499 ~1990
22660523453210478 ~1988
22660619453212398 ~1988
22661363453227278 ~1988
22661939453238798 ~1988
22662179453243598 ~1988
22662719453254398 ~1988
22662779453255598 ~1988
22662911453258238 ~1988
226630931359785599 ~1990
22663163453263278 ~1988
22663331453266638 ~1988
226635171813081379 ~1990
22663871453277438 ~1988
226639371359836239 ~1990
22664003453280078 ~1988
22664423453288478 ~1988
22664699453293998 ~1988
1501
GIMPS The Prime Pages FactorDb.com
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25-04-13