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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
4943668199887336399 ~1999
4943682239887364479 ~1999
4943900639887801279 ~1999
4943915639887831279 ~1999
494394841296636904710 ~2000
494404621791047393710 ~2001
4944135839888271679 ~1999
4944296519888593039 ~1999
4944302399888604799 ~1999
4944328439888656879 ~1999
4944338519888677039 ~1999
494447357395557885710 ~2000
494449001395559200910 ~2000
494458817296675290310 ~2000
4944772372769072527311 ~2002
4944958199889916399 ~1999
494506093296703655910 ~2000
4945266719890533439 ~1999
494535773296721463910 ~2000
494537993296722795910 ~2000
4945446239890892479 ~1999
494555311791288497710 ~2001
4945553399891106799 ~1999
4945668671186960480911 ~2002
4945840919891681839 ~1999
Exponent Prime Factor Digits Year
494603441296762064710 ~2000
4946059319892118639 ~1999
494621051395696840910 ~2000
494632661296779596710 ~2000
4946897639893795279 ~1999
4947421919894843839 ~1999
4947467519894935039 ~1999
4947715919895431839 ~1999
494804627395843701710 ~2000
4948105799896211599 ~1999
4948117439896234879 ~1999
494819327395855461710 ~2000
4948356239896712479 ~1999
4948407119896814239 ~1999
4948525919897051839 ~1999
494876197296925718310 ~2000
4949415239898830479 ~1999
4949556839899113679 ~1999
494961437296976862310 ~2000
4949627599998247731911 ~2004
494963893296978335910 ~2000
494972237296983342310 ~2000
4950041519900083039 ~1999
4950109319900218639 ~1999
495024329693034060710 ~2001
Exponent Prime Factor Digits Year
4950349319900698639 ~1999
4950459839900919679 ~1999
495090107396072085710 ~2000
495107161297064296710 ~2000
495128713297077227910 ~2000
4951450199902900399 ~1999
4951452239902904479 ~1999
495145337396116269710 ~2000
4951455719902911439 ~1999
4951501919903003839 ~1999
4951799639903599279 ~1999
4951896839903793679 ~1999
4952024519904049039 ~1999
4952087399904174799 ~1999
4952152439904304879 ~1999
4952266319904532639 ~1999
4952307839904615679 ~1999
4952349839904699679 ~1999
4952405639904811279 ~1999
4952588999905177999 ~1999
495259901297155940710 ~2000
4952875199905750399 ~1999
495287761297172656710 ~2000
4952968319905936639 ~1999
4953205319906410639 ~1999
Exponent Prime Factor Digits Year
4953225599906451199 ~1999
4953404519906809039 ~1999
4953478439906956879 ~1999
4953500999907001999 ~1999
4953772874755621955311 ~2003
495381713693534398310 ~2001
4953838319907676639 ~1999
495397031396317624910 ~2000
4954111319908222639 ~1999
4954135919908271839 ~1999
4954218599908437199 ~1999
4954243799908487599 ~1999
495426377297255826310 ~2000
4954281599908563199 ~1999
4954345319908690639 ~1999
4954512239909024479 ~1999
4954573319909146639 ~1999
495461657396369325710 ~2000
4954939319909878639 ~1999
4954971119909942239 ~1999
4955207999910415999 ~1999
4955271719910543439 ~1999
4955280239910560479 ~1999
495546757297328054310 ~2000
495571247396456997710 ~2000
3529
GIMPS The Prime Pages FactorDb.com
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26-03-08