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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
4222766638445533279 ~1998
422276879760098382310 ~2001
422279573253367743910 ~2000
4222857238445714479 ~1998
4222867318445734639 ~1998
4222875838445751679 ~1998
4222885918445771839 ~1998
422290717253374430310 ~2000
4223087518446175039 ~1998
422320973253392583910 ~2000
422322821253393692710 ~2000
4223275198446550399 ~1998
4223296798446593599 ~1998
422334041337867232910 ~2000
4223371198446742399 ~1998
4223637238447274479 ~1998
4223693038447386079 ~1998
4223723398447446799 ~1998
4223733838447467679 ~1998
4223831518447663039 ~1998
422389237253433542310 ~2000
4223900518447801039 ~1998
422407861929297294310 ~2001
4224139918448279839 ~1998
422425481337940384910 ~2000
Exponent Prime Factor Digits Year
4224333598448667199 ~1998
4224347398448694799 ~1998
4224372838448745679 ~1998
4224375238448750479 ~1998
422455961253473576710 ~2000
4224650518449301039 ~1998
4224818638449637279 ~1998
4225067398450134799 ~1998
4225072438450144879 ~1998
4225145638450291279 ~1998
4225149718450299439 ~1998
4225237438450474879 ~1998
422559073253535443910 ~2000
422564413253538647910 ~2000
4225775638451551279 ~1998
422581897253549138310 ~2000
4225937998451875999 ~1998
422629553253577731910 ~2000
422630597253578358310 ~2000
4226359731014326335311 ~2001
4226385718452771439 ~1998
4226565238453130479 ~1998
4226608318453216639 ~1998
4226667598453335199 ~1998
422670233253602139910 ~2000
Exponent Prime Factor Digits Year
422684761676295617710 ~2001
4226872318453744639 ~1998
4227441118454882239 ~1998
422745859422745859110 ~2000
4227540718455081439 ~1998
4227613798455227599 ~1998
4227614038455228079 ~1998
422763689338210951310 ~2000
4227804838455609679 ~1998
4228053718456107439 ~1998
4228062718456125439 ~1998
4228205398456410799 ~1998
422820679422820679110 ~2000
4228271038456542079 ~1998
422831249591963748710 ~2000
422860327422860327110 ~2000
4228675198457350399 ~1998
4228829038457658079 ~1998
422884481253730688710 ~2000
422887057253732234310 ~2000
4228898518457797039 ~1998
4229094238458188479 ~1998
4229105638458211279 ~1998
4229107918458215839 ~1998
4229144518458289039 ~1998
Exponent Prime Factor Digits Year
4229204518458409039 ~1998
4229353198458706399 ~1998
4229554198459108399 ~1998
422988437338390749710 ~2000
422990101253794060710 ~2000
422998781338399024910 ~2000
4229999038459998079 ~1998
4230061198460122399 ~1998
4230147598460295199 ~1998
4230204598460409199 ~1998
4230238798460477599 ~1998
4230259798460519599 ~1998
423030277253818166310 ~2000
4230318118460636239 ~1998
4230332638460665279 ~1998
423036113253821667910 ~2000
4230376198460752399 ~1998
423040627676865003310 ~2001
4230563518461127039 ~1998
4230792718461585439 ~1998
423084041338467232910 ~2000
423091213253854727910 ~2000
423107899423107899110 ~2000
4231090918462181839 ~1998
4231222435162091364711 ~2003
3097
GIMPS The Prime Pages FactorDb.com
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25-04-13