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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
4255387425538718 ~1984
4255501255330078 ~1984
42555192042649139 ~1986
42555771276673119 ~1986
4255963425596318 ~1984
425645985129197 ~1983
42566531276995919 ~1986
4256717255403038 ~1984
4256761681081778 ~1985
4256807340544578 ~1984
425696385139277 ~1983
4257067147294518310 ~1988
4257161255429678 ~1984
4257193255431598 ~1984
4257193936582478
4257217255433038 ~1984
4257359340588738 ~1984
425737185147437 ~1983
4258031340642498 ~1984
4258087425808718 ~1984
4258307340664578 ~1984
42587292299713679 ~1986
4258801681408178 ~1985
425888385177677 ~1983
425930385186077 ~1983
Exp. Prime Factor Digits Year
4259357340748578 ~1984
425989185197837 ~1983
4260041255602478 ~1984
42603171022476099 ~1985
426032385206477 ~1983
426055185211037 ~1983
4260703681712498 ~1985
4260719766929438 ~1985
4260917255655038 ~1984
4260917596528398
426107985221597 ~1983
4261177255670638 ~1984
4261193255671598 ~1984
426131985226397 ~1983
426133185226637 ~1983
4261363681818098 ~1985
4261553255693198 ~1984
4261727340938178 ~1984
426197985239597 ~1983
4262077681932338 ~1985
4262233255733998 ~1984
426239985247997 ~1983
4262549341003938 ~1984
4262549596756878
4262551682008178 ~1985
Exp. Prime Factor Digits Year
4262561255753678 ~1984
4262813596793838 ~1985
4262849341027938 ~1984
4262887426288718 ~1984
426335985267197 ~1983
4263403682144498 ~1985
426343185268637 ~1983
42634331279029919 ~1986
4263557255813438 ~1984
4263761255825678 ~1984
4263823426382318 ~1984
4263977255838638 ~1984
4264237255854238 ~1984
426425985285197 ~1983
4264373597012238 ~1985
426451185290237 ~1983
426469185293837 ~1983
426481185296237 ~1983
4264829341186338 ~1984
4264831767669598 ~1985
4264859341188738 ~1984
4264919341193538 ~1984
426497985299597 ~1983
4264991341199298 ~1984
426500385300077 ~1983
Exp. Prime Factor Digits Year
4265077255904638 ~1984
4265207341216578 ~1984
4265357341228578 ~1984
426539985307997 ~1983
4265561255933678 ~1984
426584385316877 ~1983
4265881682540978 ~1985
426593985318797 ~1983
4266029341282338 ~1984
4266377341310178 ~1984
4266487767967678 ~1985
426655185331037 ~1983
4266551341324098
4266599341327938 ~1984
4266629597328078 ~1985
426707985341597 ~1983
4267349597428878 ~1985
426746385349277 ~1983
4267531682804978 ~1985
4267573256054398 ~1984
4267661256059678 ~1984
42678474097133139 ~1987
426785985357197 ~1983
4268107682897138 ~1985
426817185363437 ~1983
617
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25-05-04