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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
4720321283219278 ~1984
47206371416191119 ~1986
4720871377669698 ~1985
4720913660927838 ~1985
4721153283269198 ~1984
472130394426077 ~1983
4721441377715298 ~1985
4721477283288638 ~1984
4721627377730178 ~1985
472166394433277 ~1983
4721933283315998 ~1984
4722077661090798 ~1985
4722239377779138 ~1985
4722271472227118 ~1985
4722293283337598 ~1984
472249194449837 ~1983
4722547472254718 ~1985
472255194451037 ~1983
4722703317365641710 ~1989
47227091133450179 ~1986
47229791983651199 ~1986
472309194461837 ~1983
472339194467837 ~1983
4723777283426638 ~1984
472409994481997 ~1983
Exp. Prime Factor Digits Year
4724099377927938
47243091417292719 ~1986
472433994486797 ~1983
4724441377955298 ~1985
472451994490397 ~1983
4724801283488078 ~1984
4724813661473838 ~1985
472483194496637 ~1983
4724873283492398 ~1984
4724917120957875310 ~1988
4724981377998498 ~1985
4725029378002338 ~1985
472532394506477 ~1983
472555194511037 ~1983
47255874631075279 ~1987
472565994513197 ~1983
47257131134171139 ~1986
4726013661641838 ~1985
4726277283576638 ~1984
47262793402920899 ~1987
47263011795994399 ~1986
47264274537369939 ~1987
4726441283586478 ~1984
4726537283592238 ~1984
472667994533597 ~1983
Exp. Prime Factor Digits Year
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
4729603472960318 ~1985
4729603756736498
47298772554133599 ~1987
472991994598397 ~1983
4729937378394978 ~1985
472997994599597 ~1983
Exp. Prime Factor Digits Year
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
47316892933647199 ~1987
473171994634397 ~1983
4731821283909278 ~1984
4731941283916478 ~1984
473216394643277 ~1983
473249994649997 ~1983
674
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25-11-17