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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
172438811034632879 ~1989
172439771034638639 ~1989
17244011344880238 ~1988
172440371034642239 ~1989
17244659344893198 ~1988
17245031344900638 ~1988
17245919344918398 ~1988
17246063344921278 ~1988
17246171344923438 ~1988
17246291344925838 ~1988
17246843344936878 ~1988
17247011344940238 ~1988
17247479344949598 ~1988
17248151344963038 ~1988
172481991379855939 ~1989
17248499344969998 ~1988
17248571344971438 ~1988
172487171034923039 ~1989
172488771379910179 ~1989
17248943344978878 ~1988
17249651344993038 ~1988
17249723344994478 ~1988
17249819344996398 ~1988
17250059345001198 ~1988
17250179345003598 ~1988
Exponent Prime Factor Digits Year
17250323345006478 ~1988
17250683345013678 ~1988
17250743345014878 ~1988
172507971380063779 ~1989
17250899345017998 ~1988
17250923345018478 ~1988
172511811035070879 ~1989
172515131035090799 ~1989
172516976555644879 ~1991
17251919345038398 ~1988
17252363345047278 ~1988
17252531345050638 ~1988
17252663345053278 ~1988
17252699345053998 ~1988
172531671380253379 ~1989
172533371035200239 ~1989
17253443345068878 ~1988
172540791380326339 ~1989
17254511345090238 ~1988
17254823345096478 ~1988
17254883345097678 ~1988
172551771035310639 ~1989
17255723345114478 ~1988
17255939345118798 ~1988
17257451345149038 ~1988
Exponent Prime Factor Digits Year
172575011035450079 ~1989
17257511345150238 ~1988
17257631345152638 ~1988
17257811345156238 ~1988
17259059345181198 ~1988
172591274142190499 ~1990
17259323345186478 ~1988
172596672761546739 ~1990
17259779345195598 ~1988
17260079345201598 ~1988
17260643345212878 ~1988
17260751345215038 ~1988
172609935178297919 ~1990
17261039345220798 ~1988
172612131035672799 ~1989
17261399345227998 ~1988
17261663345233278 ~1988
172618972416665599 ~1990
172621311380970499 ~1989
172624071380992579 ~1989
172629011035774079 ~1989
17263199345263998 ~1988
17263331345266638 ~1988
17263391345267838 ~1988
17263871345277438 ~1988
Exponent Prime Factor Digits Year
17263943345278878 ~1988
17264003345280078 ~1988
172641111381128899 ~1989
17264519345290398 ~1988
17265023345300478 ~1988
172651731035910399 ~1989
172657131035942799 ~1989
17265719345314398 ~1988
172661531035969199 ~1989
17266439345328798 ~1988
172670771036024639 ~1989
172672319669649379 ~1991
17268143345362878 ~1988
172681911381455299 ~1989
17268299345365998 ~1988
172684371036106239 ~1989
17268983345379678 ~1988
17269019345380398 ~1988
17269403345388078 ~1988
17269463345389278 ~1988
172695411381563299 ~1989
17269559345391198 ~1988
17269823345396478 ~1988
172698591381588739 ~1989
17270483345409678 ~1988
1349
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25-08-20