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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
262845011577070079 ~1990
26284943525698878 ~1989
26285279525705598 ~1989
26285579525711598 ~1989
26285639525712798 ~1989
26285999525719998 ~1989
26286119525722398 ~1989
26286203525724078 ~1989
262868093680153279 ~1991
26287379525747598 ~1989
26287979525759598 ~1989
262882331577293999 ~1990
262884592103076739 ~1990
262886571577319439 ~1990
26289479525789598 ~1989
262901331577407999 ~1990
262906133680685839 ~1991
26290871525817438 ~1989
26291099525821998 ~1989
262920411577522479 ~1990
26292179525843598 ~1989
26292239525844798 ~1989
26292839525856798 ~1989
26293079525861598 ~1989
26293331525866638 ~1989
Exponent Prime Factor Digits Year
26295023525900478 ~1989
26295683525913678 ~1989
26296043525920878 ~1989
26296079525921598 ~1989
26296139525922798 ~1989
262961636311079139 ~1992
262966611577799679 ~1990
26297363525947278 ~1989
26297783525955678 ~1989
26297819525956398 ~1989
26298263525965278 ~1989
26298791525975838 ~1989
26298851525977038 ~1989
26299379525987598 ~1989
26299523525990478 ~1989
26300591526011838 ~1989
26301179526023598 ~1989
26301239526024798 ~1989
26301323526026478 ~1989
263015232630152319 ~1991
26302091526041838 ~1989
26302103526042078 ~1989
263023072104184579 ~1990
263035074734631279 ~1991
26303663526073278 ~1989
Exponent Prime Factor Digits Year
263039512104316099 ~1990
26304143526082878 ~1989
26304263526085278 ~1989
26304731526094638 ~1989
26304851526097038 ~1989
26305211526104238 ~1989
263052718417686739 ~1992
263055971578335839 ~1990
26305739526114798 ~1989
26306363526127278 ~1989
26306771526135438 ~1989
263071878944443599 ~1992
26307299526145998 ~1989
26307311526146238 ~1989
26307563526151278 ~1989
26307811236770299110 ~1993
26308703526174078 ~1989
26308811526176238 ~1989
263089072104712579 ~1990
26309819526196398 ~1989
26310671526213438 ~1989
263108876840830639 ~1992
26310899526217998 ~1989
26311391526227838 ~1989
26312399526247998 ~1989
Exponent Prime Factor Digits Year
26312711526254238 ~1989
26313323526266478 ~1989
26313491526269838 ~1989
26313503526270078 ~1989
263135592631355919 ~1991
26314103526282078 ~1989
26314331526286638 ~1989
26314523526290478 ~1989
26314703526294078 ~1989
26315363526307278 ~1989
26315423526308478 ~1989
26315819526316398 ~1989
26315951526319038 ~1989
26316299526325998 ~1989
26317799526355998 ~1989
263183931579103599 ~1990
26318423526368478 ~1989
26318639526372798 ~1989
26318723526374478 ~1989
263188611579131679 ~1990
26318879526377598 ~1989
26319431526388638 ~1989
26319479526389598 ~1989
26319983526399678 ~1989
263200131579200799 ~1990
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25-04-13