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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
7935971634877698
7936079158721598 ~1985
7936163158723278 ~1985
7936223158724478 ~1985
7936673476200398 ~1986
7936751158735038 ~1985
7936823158736478 ~1985
7937123158742478 ~1985
7937141476228478 ~1986
7937177634974178 ~1986
7937533476251998 ~1986
7937621476257278 ~1986
7937753476265198 ~1986
7937771635021698 ~1986
7937939158758798 ~1985
7937981635038498 ~1986
79379831270077299 ~1987
79382113175284419 ~1988
79385033334171279 ~1988
79386413016683599 ~1988
7938803158776078 ~1985
7939091158781838 ~1985
7939103158782078 ~1985
7939259158785198 ~1985
7939313476358798 ~1986
Exp. Prime Factor Digits Year
7939523158790478 ~1985
7939619158792398 ~1985
7939643158792878 ~1985
7939787635182978 ~1986
7939817635185378 ~1986
7939861476391678 ~1986
7939949252490378310 ~1990
7940063158801278 ~1985
7940087635206978 ~1986
7940159635212738 ~1986
7940333476419998 ~1986
7940357635228578 ~1986
7940483158809678 ~1985
7941299158825998 ~1985
7941383158827678 ~1985
79416711429500799 ~1987
79417612541363539 ~1988
79417671906024099 ~1988
7941851292260116910 ~1990
7941937476516238 ~1986
7941959635356738 ~1986
79420311429565599 ~1987
7942163158843278 ~1985
7942211158844238 ~1985
7942223158844478 ~1985
Exp. Prime Factor Digits Year
7942387794238718 ~1987
7942477476548638 ~1986
7942481635398498 ~1986
7942523158850478 ~1985
7942559635404738 ~1986
79429191906300579 ~1988
7942967635437378 ~1986
7943081476584878 ~1986
79432632700709439 ~1988
7943357476601438 ~1986
7943513476610798 ~1986
7943557476613438 ~1986
7943597635487778 ~1986
7943753476625198 ~1986
7943759158875198 ~1985
7944061476643678 ~1986
7944221476653278 ~1986
7944227635538178 ~1986
7944241476654478 ~1986
79442591429966639 ~1987
7944791158895838 ~1985
7945031635602498 ~1986
79450373813617779 ~1988
7945079158901598 ~1985
79451391430125039 ~1987
Exp. Prime Factor Digits Year
7945313476718798 ~1986
79459095721054499 ~1989
7945979158919598 ~1985
7946417476785038 ~1986
7946483158929678 ~1985
7946557476793438 ~1986
7946843158936878 ~1985
7947011158940238 ~1985
7947013476820798 ~1986
7947059158941198 ~1985
7947061476823678 ~1986
7947221476833278 ~1986
7947521635801698 ~1986
7947601476856078 ~1986
79476012384280319
7947839158956798 ~1985
7948091158961838 ~1985
7948151158963038 ~1985
7948261476895678 ~1986
7948393476903598 ~1986
7948487635878978 ~1986
7948513476910798 ~1986
7948529635882338 ~1986
7948543794854318 ~1987
7948691635895298 ~1986
905
GIMPS The Prime Pages FactorDb.com
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25-08-20