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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
423550247338840197710 ~2000
423560897254136538310 ~2000
423562879423562879110 ~2000
4235662438471324879 ~1998
423566537592993151910 ~2000
4235779438471558879 ~1998
423580733254148439910 ~2000
4235855518471711039 ~1998
4235856718471713439 ~1998
423587107677739371310 ~2001
4235880838471761679 ~1998
423588833254153299910 ~2000
4235908318471816639 ~1998
423595097338876077710 ~2000
4236148798472297599 ~1998
4236170038472340079 ~1998
423620191677792305710 ~2001
4236357838472715679 ~1998
423678077338942461710 ~2000
4236783838473567679 ~1998
423680767423680767110 ~2000
4236881518473763039 ~1998
423689641254213784710 ~2000
4237232038474464079 ~1998
423736193254241715910 ~2000
Exponent Prime Factor Digits Year
423744473593242262310 ~2000
423753223423753223110 ~2000
423776477254265886310 ~2000
4237954198475908399 ~1998
4238066998476133999 ~1998
423831413254298847910 ~2000
423841633932451592710 ~2001
4238476438476952879 ~1998
4238563431017255223311 ~2001
423859687423859687110 ~2000
4238618038477236079 ~1998
4238783038477566079 ~1998
4238865838477731679 ~1998
4239050638478101279 ~1998
4239146518478293039 ~1998
4239265798478531599 ~1998
4239268198478536399 ~1998
4239302038478604079 ~1998
423966353254379811910 ~2000
424000729932801603910 ~2001
424010399339208319310 ~2000
4240137838480275679 ~1998
4240157038480314079 ~1998
4240275598480551199 ~1998
424035377254421226310 ~2000
Exponent Prime Factor Digits Year
4240419118480838239 ~1998
424046621339237296910 ~2000
4240511638481023279 ~1998
424052801254431680710 ~2000
4240529398481058799 ~1998
4240584838481169679 ~1998
424059329339247463310 ~2000
4240610638481221279 ~1998
4240640518481281039 ~1998
4240833118481666239 ~1998
4240913038481826079 ~1998
424091867339273493710 ~2000
4240951318481902639 ~1998
424102663424102663110 ~2000
424105421254463252710 ~2000
424115717339292573710 ~2000
424115933254469559910 ~2000
4241221318482442639 ~1998
4241389438482778879 ~1998
4241709598483419199 ~1998
424177099763518778310 ~2001
4241772838483545679 ~1998
4241932798483865599 ~1998
4242030118484060239 ~1998
4242039718484079439 ~1998
Exponent Prime Factor Digits Year
424206053254523631910 ~2000
4242314998484629999 ~1998
424242541254545524710 ~2000
4242440038484880079 ~1998
424258937339407149710 ~2000
4242596638485193279 ~1998
4242669718485339439 ~1998
4242813118485626239 ~1998
4242828238485656479 ~1998
4242830638485661279 ~1998
4243109638486219279 ~1998
4243116371018347928911 ~2001
4243302238486604479 ~1998
4243355038486710079 ~1998
424357721254614632710 ~2000
424361101254616660710 ~2000
4243705918487411839 ~1998
424377601679004161710 ~2001
4243815718487631439 ~1998
4243829998487659999 ~1998
4244222038488444079 ~1998
4244228638488457279 ~1998
4244263198488526399 ~1998
4244310838488621679 ~1998
4244591638489183279 ~1998
3190
GIMPS The Prime Pages FactorDb.com
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25-07-08