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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
7805081624406498 ~1986
78051077024596319 ~1989
7805177179519071110 ~1990
7805201468312078 ~1986
7805297468317838 ~1986
7805939624475138 ~1986
7805957468357438 ~1986
7805957624476578
7806013468360798 ~1986
7806311624504898 ~1986
7806433468385998 ~1986
7806479156129598 ~1985
7806797624543778 ~1986
7806863156137278 ~1985
7806983156139678 ~1985
7807361624588898 ~1986
7807531780753118 ~1987
7807601468456078 ~1986
7807637624610978 ~1986
7808441468506478 ~1986
7808483156169678 ~1985
7808503780850318 ~1987
7808519156170398 ~1985
78085795778348479 ~1989
7808617468517038 ~1986
Exp. Prime Factor Digits Year
78086171249378739
7808657624692578 ~1986
7808699624695938 ~1986
78086993279653599
7808711156174238 ~1985
7808839780883918 ~1987
7808897468533838 ~1986
7809083156181678 ~1985
7809491156189838 ~1985
7809533468571998 ~1986
7809601468576078 ~1986
7809757468585438 ~1986
7809793468587598 ~1986
7809821624785698 ~1986
7809911156198238 ~1985
7810057468603438 ~1986
78103331874479939 ~1987
7810421468625278 ~1986
7810619156212398 ~1985
7810721468643278 ~1986
7810739156214798 ~1985
7810931156218638 ~1985
78109871249757939 ~1987
7811057468663438 ~1986
7811173468670398 ~1986
Exp. Prime Factor Digits Year
78112031249792499 ~1987
7811543156230878 ~1985
7811561624924898 ~1986
78116635155697599 ~1989
7811879156237598 ~1985
7812071156241438 ~1985
78121211718666639 ~1987
7812179624974338 ~1986
7812599156251998 ~1985
7813037625042978 ~1986
7813109625048738 ~1986
7813241468794478 ~1986
7813343156266878 ~1985
7813451156269038 ~1985
7813801468828078 ~1986
7813853468831198 ~1986
7813979156279598 ~1985
7814413468864798 ~1986
7814783156295678 ~1985
7814819156296398 ~1985
7814837468890238 ~1986
7814843156296878 ~1985
7815281625222498 ~1986
7815397468923838 ~1986
7815629625250338 ~1986
Exp. Prime Factor Digits Year
7815737468944238 ~1986
7815793468947598 ~1986
7816271156325438 ~1985
7816463156329278 ~1985
7816513468990798 ~1986
78165133126605219
7816541468992478 ~1986
7816541625323298
7816643156332878 ~1985
7817219156344398 ~1985
7817233469033998 ~1986
7817311781731118 ~1987
7817423156348478 ~1985
7817609625408738 ~1986
7817963156359278 ~1985
7818001469080078 ~1986
7818731156374638 ~1985
7819153469149198 ~1986
7819193469151598 ~1986
7819271156385438 ~1985
7819391156387838 ~1985
78194571094723999 ~1987
7819631156392638 ~1985
7820159156403198 ~1985
7820303156406078 ~1985
881
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25-04-13