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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
253882492031059939 ~1990
25388459507769198 ~1989
25388663507773278 ~1989
25388903507778078 ~1989
25389131507782638 ~1989
253892272031138179 ~1990
25389599507791998 ~1989
25390331507806638 ~1989
253909011523454079 ~1990
253911411523468479 ~1990
25391363507827278 ~1989
25391621121879780910 ~1992
253917131523502799 ~1990
253918131523508799 ~1990
25391843507836878 ~1989
253924811523548879 ~1990
25392623507852478 ~1989
253930131523580799 ~1990
25393031507860638 ~1989
25393463507869278 ~1989
25393691507873838 ~1989
25393859507877198 ~1989
25395119507902398 ~1989
25395131507902638 ~1989
25395179507903598 ~1989
Exponent Prime Factor Digits Year
253952571523715439 ~1990
253956611523739679 ~1990
25395971507919438 ~1989
25396391507927838 ~1989
25396523507930478 ~1989
25396751507935038 ~1989
25396823507936478 ~1989
253972971523837839 ~1990
25397783507955678 ~1989
25397903507958078 ~1989
253981032539810319 ~1991
25399103507982078 ~1989
253997331523983999 ~1990
25400519508010398 ~1989
25401011508020238 ~1989
254014912032119299 ~1990
25402631508052638 ~1989
254026612032212899 ~1990
25402703508054078 ~1989
25402823508056478 ~1989
25402859508057198 ~1989
25403783508075678 ~1989
25404419508088398 ~1989
25404503508090078 ~1989
25405043508100878 ~1989
Exponent Prime Factor Digits Year
25405091508101838 ~1989
254054417621632319 ~1992
254058896097413379 ~1991
254060572032484579 ~1990
254065731524394399 ~1990
25406939508138798 ~1989
25407131508142638 ~1989
25407311508146238 ~1989
25407359508147198 ~1989
25407971508159438 ~1989
25408079508161598 ~1989
25408199508163998 ~1989
25408393116878607910 ~1992
25408403508168078 ~1989
25408679508173598 ~1989
25409171508183438 ~1989
25409459508189198 ~1989
254094731524568399 ~1990
25409591508191838 ~1989
25410743508214878 ~1989
254109772032878179 ~1990
25411079508221598 ~1989
254111171524667039 ~1990
254116011524696079 ~1990
25411643508232878 ~1989
Exponent Prime Factor Digits Year
254117771524706639 ~1990
25412459508249198 ~1989
25412819508256398 ~1989
25412819106733839910
254138232541382319 ~1991
254139171524835039 ~1990
25414619508292398 ~1989
254154472033235779 ~1990
25415723508314478 ~1989
25415783508315678 ~1989
254158936099814339 ~1991
254161612033292899 ~1990
25416491508329838 ~1989
254164912033319299
25417391508347838 ~1989
254181912541819119 ~1991
25418411508368238 ~1989
25418423508368478 ~1989
25418531508370638 ~1989
254190194575423439 ~1991
25419671508393438 ~1989
25420229122017099310 ~1992
25420379508407598 ~1989
25420463508409278 ~1989
25420523508410478 ~1989
1611
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25-07-08