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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
40747391814947838 ~1990
40747403814948078 ~1990
40747463814949278 ~1990
40747991814959838 ~1990
40748243130394377710 ~1993
40748423814968478 ~1990
40748759814975198 ~1990
40748843814976878 ~1990
40749179814983598 ~1990
40749239814984798 ~1990
407504693260037539 ~1992
40750499815009998 ~1990
40751759815035198 ~1990
40751891815037838 ~1990
40753283815065678 ~1990
40755059815101198 ~1990
40755109163020436110 ~1994
40755131815102638 ~1990
407554613260436899 ~1992
40755479815109598 ~1990
40755971815119438 ~1990
407564812445388879 ~1992
40756741187481008710 ~1994
40757063815141278 ~1990
407576772445460639 ~1992
Exponent Prime Factor Digits Year
407577077336387279 ~1993
40758803815176078 ~1990
40759223815184478 ~1990
40759343815186878 ~1990
40760039815200798 ~1990
40760771815215438 ~1990
40760831815216638 ~1990
407611099782666179 ~1993
407615575706617999 ~1993
407617972445707839 ~1992
40762031815240638 ~1990
40762439815248798 ~1990
40762763815255278 ~1990
407629634076296319 ~1992
407631372445788239 ~1992
40764131815282638 ~1990
40764959815299198 ~1990
407651393261211139 ~1992
40765331815306638 ~1990
407653698968381199 ~1993
40765859815317198 ~1990
40766471815329438 ~1990
40766651815333038 ~1990
40766729130453532910 ~1993
40767323815346478 ~1990
Exponent Prime Factor Digits Year
40767491815349838 ~1990
40767563815351278 ~1990
40768151815363038 ~1990
40768163815363278 ~1990
40768571815371438 ~1990
40768631815372638 ~1990
40768991815379838 ~1990
40769483815389678 ~1990
40769759815395198 ~1990
40770311815406238 ~1990
40770659815413198 ~1990
407710212446261279 ~1992
40771079815421598 ~1990
40771103815422078 ~1990
40771163815423278 ~1990
40771751815435038 ~1990
40771859815437198 ~1990
407718593261748739
40771931815438638 ~1990
407719313261754499
40772051815441038 ~1990
40772219815444398 ~1990
40773119815462398 ~1990
40773143815462878 ~1990
40773251815465038 ~1990
Exponent Prime Factor Digits Year
407733532446401199 ~1992
40773443815468878 ~1990
407738772446432639 ~1992
40773899815477998 ~1990
40773923815478478 ~1990
40773983815479678 ~1990
40774091815481838 ~1990
40774451815489038 ~1990
40774523815490478 ~1990
40775411815508238 ~1990
40775543815510878 ~1990
40775963815519278 ~1990
40776311815526238 ~1990
40776503815530078 ~1990
407767135708739839 ~1993
40776899815537998 ~1990
40777013326216104110 ~1994
407772593262180739 ~1992
40777283815545678 ~1990
40778063815561278 ~1990
407785338971277279 ~1993
40778711815574238 ~1990
40778819815576398 ~1990
40779083815581678 ~1990
407797012446782079 ~1992
2179
GIMPS The Prime Pages FactorDb.com
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26-08-30