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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
19057679381153598 ~1988
190577211143463279 ~1989
19057991381159838 ~1988
190581897242111839 ~1991
190582971143497839 ~1989
19058531381170638 ~1988
190596611143579679 ~1989
19059923381198478 ~1988
19060091381201838 ~1988
190604931143629599 ~1989
19060649194418619910 ~1992
19060703381214078 ~1988
19061039381220798 ~1988
19061099381221998 ~1988
19061113270667804710 ~1992
19061363381227278 ~1988
19061459381229198 ~1988
19062359381247198 ~1988
19062383381247678 ~1988
19062539381250798 ~1988
19062971381259438 ~1988
190632771143796639 ~1989
19064459381289198 ~1988
190646932669057039 ~1990
190652394575657379 ~1990
Exponent Prime Factor Digits Year
19065443381308878 ~1988
19065671381313438 ~1988
19066403381328078 ~1988
19066991381339838 ~1988
190670331144021999 ~1989
19067063381341278 ~1988
190671171144027039 ~1989
19067351381347038 ~1988
19067423381348478 ~1988
190676391525411139 ~1989
19067771381355438 ~1988
190678991906789919 ~1990
19068011381360238 ~1988
19068083381361678 ~1988
19068359381367198 ~1988
19068719381374398 ~1988
19068839381376798 ~1988
190688691525509539 ~1989
190689471525515779 ~1989
19069943381398878 ~1988
190701731144210399 ~1989
19070459381409198 ~1988
19071443381428878 ~1988
190715871525726979 ~1989
19071911381438238 ~1988
Exponent Prime Factor Digits Year
190719591525756739 ~1989
19072211381444238 ~1988
190726731144360399 ~1989
19072799381455998 ~1988
19072919381458398 ~1988
19073063381461278 ~1988
190731771525854179 ~1989
19073291381465838 ~1988
19073471381469438 ~1988
19073699381473998 ~1988
190740011144440079 ~1989
19074683381493678 ~1988
19074719381494398 ~1988
190751414196531039 ~1990
19075151381503038 ~1988
19075271381505438 ~1988
19075883381517678 ~1988
19076819381536398 ~1988
19076891381537838 ~1988
19076903381538078 ~1988
19077599381551998 ~1988
19078043381560878 ~1988
19078211381564238 ~1988
19078271381565438 ~1988
190783734578809539 ~1990
Exponent Prime Factor Digits Year
190789311526314499 ~1989
190789731144738399 ~1989
19079471381589438 ~1988
190795211144771279 ~1989
19079521133556647110
19079521167899784910
19079783381595678 ~1988
190800771144804639 ~1989
190803494197676799 ~1990
19080359381607198 ~1988
190804032335441327311 ~1995
190808211144849279 ~1989
190808215724246319
19081319381626398 ~1988
19081571381631438 ~1988
190816611144899679 ~1989
19081943381638878 ~1988
19082291381645838 ~1988
19082543381650878 ~1988
190832279159948979 ~1991
19083563381671278 ~1988
190835993435047839 ~1990
19084223381684478 ~1988
19084343381686878 ~1988
190849511908495119 ~1990
1403
GIMPS The Prime Pages FactorDb.com
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25-07-08