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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
12509699250193998 ~1986
12510517750631038 ~1988
12510937750656238 ~1988
12511199250223998 ~1986
125112077256500079 ~1990
12511463250229278 ~1986
12511621750697278 ~1988
12511757750705438 ~1988
12512039250240798 ~1986
12512063250241278 ~1986
12512303250246078 ~1986
125123892752725599 ~1989
12512579250251598 ~1986
12512639250252798 ~1986
12512723250254478 ~1986
12512953750777198 ~1988
12514223250284478 ~1986
12514451250289038 ~1986
12514571250291438 ~1986
12514751250295038 ~1986
12514981750898878 ~1988
12515317750919038 ~1988
12515603250312078 ~1986
12515759250315198 ~1986
12515903250318078 ~1986
Exponent Prime Factor Digits Year
12515963250319278 ~1986
125160591001284739 ~1988
125163791251637919 ~1988
12516613750996798 ~1988
12516659250333198 ~1986
12516793751007598 ~1988
12516863250337278 ~1986
125169795006791619 ~1990
125173392253121039 ~1989
12517679250353598 ~1986
12517943250358878 ~1986
12518351250367038 ~1986
12518483250369678 ~1986
12518711250374238 ~1986
125192391001539139 ~1988
12519581751174878 ~1988
12519779250395598 ~1986
12519791250395838 ~1986
12519911250398238 ~1986
125199111001592899
12519971250399438 ~1986
12520379250407598 ~1986
12520451250409038 ~1986
12520643250412878 ~1986
12520691250413838 ~1986
Exponent Prime Factor Digits Year
12520777751246638 ~1988
12520777120199459310
12520811250416238 ~1986
12520883250417678 ~1986
12521233751273998 ~1988
12521339250426798 ~1986
12521903250438078 ~1986
12522017751321038 ~1988
12522173751330398 ~1988
125223792254028239 ~1989
12522563250451278 ~1986
125225993005423779 ~1989
12522743250454878 ~1986
12523151250463038 ~1986
125232411001859299 ~1988
12523499250469998 ~1986
125234991001879939
125235076011283379 ~1990
12523559250471198 ~1986
12523739250474798 ~1986
125238771001910179 ~1988
125243214759241999 ~1990
12524399250487998 ~1986
12524453751467198 ~1988
125246478015774099 ~1990
Exponent Prime Factor Digits Year
12524663250493278 ~1986
12525113751506798 ~1988
12525301751518078 ~1988
12525563250511278 ~1986
125258418768088719 ~1990
12525881751552878 ~1988
125259118267101279 ~1990
125260391252603919 ~1988
125260512004168179 ~1989
12526259250525198 ~1986
12526537751592238 ~1988
12526571250531438 ~1986
12526583250531678 ~1986
12526961751617678 ~1988
125274673006592099 ~1989
125284491002275939 ~1988
12528563250571278 ~1986
12528653751719198 ~1988
125289132004626099 ~1989
12529271250585438 ~1986
12529631250592638 ~1986
12530099250601998 ~1986
12530123250602478 ~1986
12530159250603198 ~1986
12530183250603678 ~1986
1184
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25-12-14