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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.
Exp. Prime Factor Digits Year
8387339167746798 ~1985
8387957503277438 ~1986
83882091174349279 ~1987
8388539671083138 ~1987
83886832684378579 ~1988
8388833503329998 ~1986
8389237503354238 ~1986
8389657503379438 ~1986
8389679671174338 ~1987
8389883167797678 ~1985
8389919167798398 ~1985
83899734698384899 ~1989
8390273503416398 ~1986
8390303167806078 ~1985
83904975369918099 ~1989
8390513503430798 ~1986
8390663167813278 ~1985
8390717503443038 ~1986
8390939167818798 ~1985
8391023167820478 ~1985
8391083167821678 ~1985
8391263167825278 ~1985
8391283839128318 ~1987
8391479167829598 ~1985
8392193503531598 ~1986
Exp. Prime Factor Digits Year
8392799167855998 ~1985
8392829671426338 ~1987
8392903839290318 ~1987
8392933503575998 ~1986
8393111167862238 ~1985
8393243167864878 ~1985
8393279167865598 ~1985
8393761503625678 ~1986
8393849671507938 ~1987
8393941503636478 ~1986
8394017503641038 ~1986
83940372014568899 ~1988
8394041503642478 ~1986
83940838058319699 ~1989
8394377671550178 ~1987
83944692518340719 ~1988
8394539167890798 ~1985
8394613503676798 ~1986
8394803167896078 ~1985
8394983167899678 ~1985
8395043167900878 ~1985
8395061503703678 ~1986
8395097503705838 ~1986
8395133503707998 ~1986
8395151167903038 ~1985
Exp. Prime Factor Digits Year
8395319167906398 ~1985
8395351839535118 ~1987
8395741503744478 ~1986
8395811167916238 ~1985
8395951839595118 ~1987
8395997671679778 ~1987
8396039167920798 ~1985
8396281503776878 ~1986
8396413503784798 ~1986
8396761503805678 ~1986
83967791511420239 ~1987
8396819671745538 ~1987
8396953503817198 ~1986
8397079839707918 ~1987
8397217503833038 ~1986
8397353503841198 ~1986
8398393503903598 ~1986
8398619167972398 ~1985
8398633503917998 ~1986
8398757503925438 ~1986
8398913503934798 ~1986
8399057503943438 ~1986
8399107839910718 ~1987
8399401503964078 ~1986
8399621503977278 ~1986
Exp. Prime Factor Digits Year
8399773503986398 ~1986
8400011168000238 ~1985
8400061504003678 ~1986
8400317672025378 ~1987
8400593504035598 ~1986
8400731672058498 ~1987
8401117504067038 ~1986
8401637504098238 ~1986
8401741504104478 ~1986
84018071344289139 ~1987
8401901672152098 ~1987
8402111168042238 ~1985
8402183168043678 ~1985
8402497504149838 ~1986
84026291848578399 ~1988
8402803840280318 ~1987
8402951168059038 ~1985
8402969672237538 ~1987
84030671512552079 ~1987
8403179168063598 ~1985
84032172016772099 ~1988
8403337504200238 ~1986
8403599168071998 ~1985
8403959168079198 ~1985
8404283168085678 ~1985
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25-07-08