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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
145554471164435779 ~1988
14555483291109678 ~1987
145557311455573119 ~1989
14555819291116398 ~1987
14555903291118078 ~1987
14555939291118798 ~1987
145563071455630719 ~1989
145565591455655919 ~1989
14556611291132238 ~1987
145569672329114739 ~1989
14557199291143998 ~1987
14557799291155998 ~1987
14557871291157438 ~1987
14557979291159598 ~1987
14558399291167998 ~1987
145587733494105539 ~1990
14558837873530238 ~1988
14558903291178078 ~1987
145596911455969119 ~1989
14559731291194638 ~1987
14559877873592638 ~1988
145601591456015919 ~1989
14560439291208798 ~1987
14561159291223198 ~1987
14561303291226078 ~1987
Exponent Prime Factor Digits Year
14561483291229678 ~1987
145615511456155119 ~1989
14561903291238078 ~1987
14562137873728238 ~1988
14562181873730878 ~1988
14562181104847703310
145622115824884419 ~1990
14562239291244798 ~1987
14562371291247438 ~1987
145623774368713119 ~1990
14562397873743838 ~1988
14562791291255838 ~1987
14563259291265198 ~1987
14564113873846798 ~1988
14564243291284878 ~1987
14564999291299998 ~1987
14565113873906798 ~1988
145654791165238339 ~1988
14566031291320638 ~1987
14566823291336478 ~1987
14567099291341998 ~1987
14567173874030398 ~1988
14567183291343678 ~1987
145674771165398179 ~1988
145676271165410179 ~1988
Exponent Prime Factor Digits Year
14567999291359998 ~1987
14568137874088238 ~1988
14568397874103838 ~1988
145684671165477379 ~1988
145684677284233519
14568479291369598 ~1987
14568539291370798 ~1987
145686472622356479 ~1989
14568803291376078 ~1987
14569091291381838 ~1987
14569319291386398 ~1987
145698171165585379 ~1988
14570219291404398 ~1987
14570261874215678 ~1988
14570291291405838 ~1987
14570459291409198 ~1987
14570639291412798 ~1987
14571017874261038 ~1988
14571083291421678 ~1987
14571191291423838 ~1987
14571197874271838 ~1988
14571481102000367110 ~1991
14571611291432238 ~1987
14571671291433438 ~1987
14571911291438238 ~1987
Exponent Prime Factor Digits Year
14571923291438478 ~1987
145721993497327779 ~1990
145722911457229119 ~1989
14572751291455038 ~1987
145727934663293779 ~1990
14573261874395678 ~1988
14573519291470398 ~1987
14573753874425198 ~1988
14573759291475198 ~1987
14573831291476638 ~1987
14573843291476878 ~1987
14573963291479278 ~1987
14574071291481438 ~1987
145743316121219039 ~1990
14574419291488398 ~1987
14574697874481838 ~1988
14574779291495598 ~1987
14575811291516238 ~1987
14576099291521998 ~1987
145764471166115779 ~1988
14576459291529198 ~1987
14576561874593678 ~1988
14576759291535198 ~1987
14576893874613598 ~1988
145770113790022879 ~1990
1228
GIMPS The Prime Pages FactorDb.com
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25-06-08