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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
14700011294000238 ~1987
14700221882013278 ~1988
14700401882024078 ~1988
147005278232295139 ~1990
14700923294018478 ~1987
14701019294020398 ~1987
147013191176105539 ~1988
14701517882091038 ~1988
14702123294042478 ~1987
147025212352403379 ~1989
14702591294051838 ~1987
14702651294053038 ~1987
14702843294056878 ~1987
14702993882179598 ~1988
147033433528802339 ~1990
14703743294074878 ~1987
14704103294082078 ~1987
147044111470441119 ~1989
14704883294097678 ~1987
14705279294105598 ~1987
14705417882325038 ~1988
14705651294113038 ~1987
147057671470576719 ~1989
14705891294117838 ~1987
147063713823656479 ~1990
Exponent Prime Factor Digits Year
14706743294134878 ~1987
147069071470690719 ~1989
14707211294144238 ~1987
14707403294148078 ~1987
14707559294151198 ~1987
14707883294157678 ~1987
14708159294163198 ~1987
147086711470867119 ~1989
14708951294179038 ~1987
147096312647733599 ~1989
14710043294200878 ~1987
14710079294201598 ~1987
14710739294214798 ~1987
14710799294215998 ~1987
147109911176879299 ~1988
14711093882665598 ~1988
14711219294224398 ~1987
14711243294224878 ~1987
14711351294227038 ~1987
147118035884721219 ~1990
14711843294236878 ~1987
14712059294241198 ~1987
14712083294241678 ~1987
14712311294246238 ~1987
147123773530970499 ~1990
Exponent Prime Factor Digits Year
14713271294265438 ~1987
14713373882802398 ~1988
14713379294267598 ~1987
14713511294270238 ~1987
14713931294278638 ~1987
14714353882861198 ~1988
14714519294290398 ~1987
14714633882877998 ~1988
147146471471464719 ~1989
14714699294293998 ~1987
14714717882883038 ~1988
14715479294309598 ~1987
14715913882954798 ~1988
14716043294320878 ~1987
14717399294347998 ~1987
14717873883072398 ~1988
147184191177473539 ~1988
14718503294370078 ~1987
147187912649382399 ~1989
14718997883139838 ~1988
14719151294383038 ~1987
14719583294391678 ~1987
14719619294392398 ~1987
14719693883181598 ~1988
147197111471971119 ~1989
Exponent Prime Factor Digits Year
14720099294401998 ~1987
14720819294416398 ~1987
14720879294417598 ~1987
147210431472104319 ~1989
14721383294427678 ~1987
147216071472160719 ~1989
14722271294445438 ~1987
14722583294451678 ~1987
14723063294461278 ~1987
14724233883453998 ~1988
14724263294485278 ~1987
147242991177943939 ~1988
147245872650425679 ~1989
147254532356072499 ~1989
147255411178043299 ~1988
14725643294512878 ~1987
14725871294517438 ~1987
147262371178098979 ~1988
14726317883579038 ~1988
14726531294530638 ~1987
14727551294551038 ~1987
14727623294552478 ~1987
147276891178215139 ~1988
14727731294554638 ~1987
147277734418331919 ~1990
1221
GIMPS The Prime Pages FactorDb.com
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25-04-13