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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
494819327395855461710 ~2000
4948356239896712479 ~1999
4948407119896814239 ~1999
4948525919897051839 ~1999
494876197296925718310 ~2000
4949415239898830479 ~1999
4949556839899113679 ~1999
4949627599998247731911 ~2004
494963893296978335910 ~2000
494972237296983342310 ~2000
4950041519900083039 ~1999
4950109319900218639 ~1999
495024329693034060710 ~2001
4950349319900698639 ~1999
4950459839900919679 ~1999
495090107396072085710 ~2000
495107161297064296710 ~2000
495128713297077227910 ~2000
4951450199902900399 ~1999
4951452239902904479 ~1999
495145337396116269710 ~2000
4951501919903003839 ~1999
4951799639903599279 ~1999
4951896839903793679 ~1999
4952024519904049039 ~1999
Exponent Prime Factor Digits Year
4952087399904174799 ~1999
4952152439904304879 ~1999
4952266319904532639 ~1999
4952307839904615679 ~1999
4952349839904699679 ~1999
4952405639904811279 ~1999
4952588999905177999 ~1999
495259901297155940710 ~2000
4952875199905750399 ~1999
495287761297172656710 ~2000
4952968319905936639 ~1999
4953205319906410639 ~1999
4953225599906451199 ~1999
4953404519906809039 ~1999
4953478439906956879 ~1999
4953500999907001999 ~1999
4953772874755621955311 ~2003
495381713693534398310 ~2001
495397031396317624910 ~2000
4954111319908222639 ~1999
4954135919908271839 ~1999
4954218599908437199 ~1999
4954243799908487599 ~1999
495426377297255826310 ~2000
4954281599908563199 ~1999
Exponent Prime Factor Digits Year
4954345319908690639 ~1999
4954512239909024479 ~1999
4954573319909146639 ~1999
495461657396369325710 ~2000
4954939319909878639 ~1999
4954971119909942239 ~1999
4955207999910415999 ~1999
4955271719910543439 ~1999
4955280239910560479 ~1999
495571247396456997710 ~2000
4955837999911675999 ~1999
4955894639911789279 ~1999
4955906039911812079 ~1999
4956051119912102239 ~1999
4956068039912136079 ~1999
4956141599912283199 ~1999
4956178919912357839 ~1999
4956607199913214399 ~1999
4956663239913326479 ~1999
4956680519913361039 ~1999
495678523793085636910 ~2001
4956869639913739279 ~1999
4957006319914012639 ~1999
495708133297424879910 ~2000
4957086839914173679 ~1999
Exponent Prime Factor Digits Year
4957144319914288639 ~1999
495724793297434875910 ~2000
495746227892343208710 ~2001
4957571513271997196711 ~2003
4957633199915266399 ~1999
4957655591685602900711 ~2002
495810193297486115910 ~2000
4958181599916363199 ~1999
495854987396683989710 ~2000
4958596319917192639 ~1999
495873319495873319110 ~2001
4959254999918509999 ~1999
4959480239918960479 ~1999
495951221396760976910 ~2000
4959539639919079279 ~1999
4960262999920525999 ~1999
4960416599920833199 ~1999
4960451399920902799 ~1999
4960534799921069599 ~1999
4960609199921218399 ~1999
4960693199921386399 ~1999
4961017199922034399 ~1999
4961024999922049999 ~1999
496107737297664642310 ~2000
4961126771488338031111 ~2002
3166
GIMPS The Prime Pages FactorDb.com
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25-04-13