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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
47262793402920899 ~1987
47263011795994399 ~1986
47264274537369939 ~1987
4726441283586478 ~1984
4726537283592238 ~1984
472667994533597 ~1983
4726747472674718 ~1985
4726831472683118 ~1985
472691994538397 ~1983
4726963472696318 ~1985
47272431512717779 ~1986
4727473283648398 ~1984
4727537283652238 ~1984
4728011378240898 ~1985
472823994564797 ~1983
4728253283695198 ~1984
4728599378287938 ~1985
4728677662014798 ~1985
4728931851207598 ~1985
472913994582797 ~1983
4729217378337378 ~1985
472933194586637 ~1983
47294331513418579 ~1986
4729567472956718 ~1985
472958394591677 ~1983
Exp. Prime Factor Digits Year
4729603472960318 ~1985
4729603756736498
47298772554133599 ~1987
472991994598397 ~1983
4729937378394978 ~1985
472997994599597 ~1983
4729981283798878 ~1984
473003994600797 ~1983
4730353283821198 ~1984
4730653283839198 ~1984
473069994613997 ~1983
4730779473077918 ~1985
4730909378472738 ~1985
473096394619277 ~1983
473101194620237 ~1983
473111994622397 ~1983
4731173283870398 ~1984
473129994625997 ~1983
4731299851633838
4731367473136718 ~1985
473137194627437 ~1983
4731403473140318 ~1985
4731451473145118 ~1985
4731479378518338 ~1985
473165994633197 ~1983
Exp. Prime Factor Digits Year
47316892933647199 ~1987
473171994634397 ~1983
4731821283909278 ~1984
4731941283916478 ~1984
473216394643277 ~1983
473249994649997 ~1983
473275194655037 ~1983
4732901283974078 ~1984
47332072366603519 ~1987
4733461284007678 ~1984
4733501378680098 ~1985
4733537284012238 ~1984
4733753284025198 ~1984
4733789662730478 ~1985
473384394676877 ~1983
473395194679037 ~1983
4734259473425918 ~1985
473450394690077 ~1983
473456394691277 ~1983
4734677284080638 ~1984
4734799473479918 ~1985
4734929378794338 ~1985
4735037284102238 ~1984
4735169378813538 ~1985
4735433284125998 ~1984
Exp. Prime Factor Digits Year
47355891136541379 ~1986
47356812273126899 ~1987
47356971420709119 ~1986
4735711473571118 ~1985
473605194721037 ~1983
4736357663089998 ~1985
4736429663100078 ~1985
4736441284186478 ~1984
4736447378915778 ~1985
4736791473679118 ~1985
4736891378951298 ~1985
47371631136919139 ~1986
4737329378986338 ~1985
47374091136978179 ~1986
4737413284244798 ~1984
4737437378994978 ~1985
47374931421247919 ~1986
4737721284263278 ~1984
473773194754637 ~1983
4737907758065138 ~1985
4738003473800318 ~1985
4738289379063138 ~1985
47382892558676079
473840394768077 ~1983
4738451379076098 ~1985
681
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26-02-08