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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
4691826119383652239 ~1999
4691875319383750639 ~1999
4692081119384162239 ~1999
4692162839384325679 ~1999
469223927375379141710 ~2000
469229639844613350310 ~2001
4692349199384698399 ~1999
4692395039384790079 ~1999
4692409799384819599 ~1999
4692533999385067999 ~1999
469257361281554416710 ~2000
4692579239385158479 ~1999
4692588599385177199 ~1999
4692947519385895039 ~1999
4693332839386665679 ~1999
4693436639386873279 ~1999
4693498439386996879 ~1999
469351081281610648710 ~2000
469380473281628283910 ~2000
469393237281635942310 ~2000
4693984919387969839 ~1999
4694348519388697039 ~1999
4694350271596079091911 ~2002
4694371799388743599 ~1999
4694405519388811039 ~1999
Exponent Prime Factor Digits Year
469449947375559957710 ~2000
4694506439389012879 ~1999
4694570039389140079 ~1999
469463261375570608910 ~2000
469488661281693196710 ~2000
4694990399389980799 ~1999
4695020519390041039 ~1999
469505497281703298310 ~2000
4695221999390443999 ~1999
4695354491878141796111 ~2002
4695375839390751679 ~1999
4695549839391099679 ~1999
469562813657387938310 ~2001
4695921599391843199 ~1999
4695935399391870799 ~1999
469601837375681469710 ~2000
469605337281763202310 ~2000
469612501751380001710 ~2001
4696265399392530799 ~1999
469659581281795748710 ~2000
4696662839393325679 ~1999
469667753281800651910 ~2000
4696802039393604079 ~1999
4696973039393946079 ~1999
4697123399394246799 ~1999
Exponent Prime Factor Digits Year
4697177399394354799 ~1999
4697227199394454399 ~1999
4697354399394708799 ~1999
4697359919394719839 ~1999
4697551199395102399 ~1999
469756571375805256910 ~2000
469759261281855556710 ~2000
4697747519395495039 ~1999
4697806919395613839 ~1999
4697876039395752079 ~1999
4697941799395883599 ~1999
469798697375838957710 ~2000
4698032039396064079 ~1999
469816877657743627910 ~2001
469833193751733108910 ~2001
4698332519396665039 ~1999
469846361281907816710 ~2000
469871537375897229710 ~2000
4698976919397953839 ~1999
4699004399398008799 ~1999
4699195437988632231111 ~2003
469919971469919971110 ~2000
4699221719398443439 ~1999
4699294319398588639 ~1999
4699350839398701679 ~1999
Exponent Prime Factor Digits Year
4699386599398773199 ~1999
4699526831127886439311 ~2001
4699533719399067439 ~1999
4699709999399419999 ~1999
4699795919399591839 ~1999
4699799039399598079 ~1999
4699808519399617039 ~1999
4699866599399733199 ~1999
469987391845977303910 ~2001
4699972199399944399 ~1999
470045417282027250310 ~2000
470071117282042670310 ~2000
470081881282049128710 ~2000
4700984519401969039 ~1999
470101921282061152710 ~2000
470104211376083368910 ~2000
470107973282064783910 ~2000
4701243599402487199 ~1999
470138681282083208710 ~2000
4701450839402901679 ~1999
470166607752266571310 ~2001
4701815999403631999 ~1999
4701966893667534174311 ~2003
470233273282139963910 ~2000
4702443719404887439 ~1999
3533
GIMPS The Prime Pages FactorDb.com
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26-04-05