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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
1393913195147838 ~1981
1393979250916238 ~1981
1393981557592418 ~1982
1394009334562178 ~1982
1394021669130098 ~1982
13941311561426739 ~1983
1394167139416718 ~1981
13942513485627519 ~1984
1394273195198238 ~1981
1394293418287918 ~1982
139444183666477 ~1980
1394599334703778 ~1982
1394683334723938 ~1982
139469927893997 ~1979
1394711111576898 ~1980
13947372008421299 ~1984
1394747334739298 ~1982
1394831251069598 ~1981
139485783691437 ~1980
1394891111591298 ~1980
139489383693597 ~1980
139518183710877 ~1980
1395283139528318 ~1981
139532327906477 ~1979
1395367223258738 ~1981
Exp. Prime Factor Digits Year
1395413195357838 ~1981
13955531004798179 ~1983
13957431256168719 ~1983
139579127915837 ~1979
13957911116632819
1395907223345138 ~1981
139598327919677 ~1979
139601383760797 ~1980
13960691228540739 ~1983
1396103446752978 ~1982
139621127924237 ~1979
139633127926637 ~1979
1396387139638718 ~1981
1396393307206478 ~1982
1396517111721378 ~1980
1396559251380638 ~1981
1396657558662818 ~1982
139667927933597 ~1979
139669127933837 ~1979
1396711251407998 ~1981
1396723223475698 ~1981
1396867139686718 ~1981
1397021111761698 ~1980
1397059586764798 ~1982
1397107335305698 ~1982
Exp. Prime Factor Digits Year
1397131251483598 ~1981
1397189111775138 ~1980
139721927944397 ~1979
139730327946077 ~1979
1397441531027598 ~1982
1397443335386338 ~1982
139753127950637 ~1979
1397531782617378
139757927951597 ~1979
1397729335454978 ~1982
1397761307507438 ~1982
139778327955677 ~1979
139793927958797 ~1979
1397959251632638 ~1981
139799927959997 ~1979
1398107111848578 ~1980
1398113195735838 ~1981
1398121223699378 ~1981
1398247139824718 ~1981
139825127965037 ~1979
1398251447440338
1398259587268798 ~1982
139826327965277 ~1979
1398263447444178
13982698147...315711420921 1996
Exp. Prime Factor Digits Year
1398349978844318 ~1983
1398367335608098 ~1982
139841383904797 ~1980
139852183911277 ~1980
139862327972477 ~1979
13986231034981039
139870183922077 ~1980
1398701111896098
139873127974637 ~1979
1398781643439278 ~1982
1398781671414898
139886327977277 ~1979
139897783938637 ~1980
1399121111929698 ~1980
13991291091320639 ~1983
1399193335806338 ~1982
1399213419763918 ~1982
1399213643637998
1399261671645298 ~1982
139931927986397 ~1979
1399441419832318 ~1982
1399513559805218 ~1982
13995492099323519 ~1984
1399837559934818 ~1982
139994327998877 ~1979
305
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25-06-29