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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.
Exponent Prime Factor Digits Year
10820141649208478 ~1987
10820339216406798 ~1986
108205034328201219 ~1989
108205613462579539 ~1989
10820651216413038 ~1986
10821179216423598 ~1986
10821179865694338
108213311947839599 ~1988
10821331121198907310
10821373649282398 ~1987
108218515194488499 ~1989
10821997649319838 ~1987
10822271216445438 ~1986
10822277649336638 ~1987
10822649865811938 ~1987
10822817649369038 ~1987
10823471216469438 ~1986
108237675195408179 ~1989
10823821251112647310 ~1991
10824251216485038 ~1986
10824677649480638 ~1987
10824839216496798 ~1986
10825043216500878 ~1986
108251831082518319 ~1988
10825237649514238 ~1987
Exponent Prime Factor Digits Year
10825499216509998 ~1986
10825673649540398 ~1987
10826117866089378 ~1987
10826377649582638 ~1987
10826723216534478 ~1986
10826953649617198 ~1987
10827721649663278 ~1987
10827923216558478 ~1986
10827923103948060910
10828019216560398 ~1986
10828501649710078 ~1987
10828681649720878 ~1987
10828739216574798 ~1986
10828931216578638 ~1986
108299575848176799 ~1989
10829999216599998 ~1986
10830203216604078 ~1986
10830641649838478 ~1987
108309911083099119 ~1988
10831283216625678 ~1986
10831477649888638 ~1987
10831811216636238 ~1986
108322731516518239 ~1988
10832303216646078 ~1986
108323471733175539 ~1988
Exponent Prime Factor Digits Year
10832411216648238 ~1986
10832537649952238 ~1987
10833083216661678 ~1986
108333791083337919 ~1988
10833533650011998 ~1987
10833551216671038 ~1986
10833611216672238 ~1986
10833731216674638 ~1986
108338636066963299 ~1989
10833941650036478 ~1987
10834079216681598 ~1986
10834141650048478 ~1987
10834223216684478 ~1986
10834477650068638 ~1987
108345071083450719 ~1988
108345974983914639 ~1989
108347231083472319 ~1988
10835101650106078 ~1987
10835243216704878 ~1986
108354172600500099 ~1989
10835663216713278 ~1986
108359172600620099 ~1989
10836097650165838 ~1987
10836263216725278 ~1986
10836277650176638 ~1987
Exponent Prime Factor Digits Year
10836313650178798 ~1987
10836359216727198 ~1986
10836491216729838 ~1986
10836779216735598 ~1986
10836851216737038 ~1986
10837091216741838 ~1986
10837523216750478 ~1986
10837637650258238 ~1987
10837679216753598 ~1986
10838183216763678 ~1986
10838699216773998 ~1986
10838771216775438 ~1986
108391312818174079 ~1989
108391631083916319 ~1988
10839467867157378 ~1987
10839611216792238 ~1986
10839683216793678 ~1986
10839817650389038 ~1987
10840163216803278 ~1986
108403692384881199 ~1988
10840799216815998 ~1986
108409371517731199 ~1988
10840961650457678 ~1987
10841423216828478 ~1986
10841483216829678 ~1986
1088
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25-10-20