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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
27839219556784398 ~1989
278394796681474979 ~1992
27839771556795438 ~1989
27839783556795678 ~1989
27841679556833598 ~1989
27842459556849198 ~1989
27842819556856398 ~1989
27843083556861678 ~1989
27843131556862638 ~1989
27843503556870078 ~1989
27843971556879438 ~1989
27844343556886878 ~1989
27844403556888078 ~1989
278451411670708479 ~1990
27846971556939438 ~1989
27847019556940398 ~1989
278470331670821999 ~1990
27848027133670529710 ~1993
27848063556961278 ~1989
27848759556975198 ~1989
27849023556980478 ~1989
27849071556981438 ~1989
278503731671022399 ~1990
27850391557007838 ~1989
27851003557020078 ~1989
Exponent Prime Factor Digits Year
27851039557020798 ~1989
27851111557022238 ~1989
27851783557035678 ~1989
27851819557036398 ~1989
27852371557047438 ~1989
278526411671158479 ~1990
27852743557054878 ~1989
278536971671221839 ~1990
27854159557083198 ~1989
278542492228339939 ~1991
278544472228355779 ~1991
27854639557092798 ~1989
27854951557099038 ~1989
278551731671310399 ~1990
278554274456868339 ~1991
27855731557114638 ~1989
27855923557118478 ~1989
278562531671375199 ~1990
27856331557126638 ~1989
278566492228531939 ~1991
27856943557138878 ~1989
27857579557151598 ~1989
27857723557154478 ~1989
27857783557155678 ~1989
278584372228674979 ~1991
Exponent Prime Factor Digits Year
278585811671514879 ~1990
27858839557176798 ~1989
27858923557178478 ~1989
27859031557180638 ~1989
27859259557185198 ~1989
27859439557188798 ~1989
27859511557190238 ~1989
27859679557193598 ~1989
27859883557197678 ~1989
278603595014864639 ~1991
27860363557207278 ~1989
278603811671622879 ~1990
27860699557213998 ~1989
27860939557218798 ~1989
278614971671689839 ~1990
27861803557236078 ~1989
27862283557245678 ~1989
27862799557255998 ~1989
27862931557258638 ~1989
27863351557267038 ~1989
278634131671804799 ~1990
27863711557274238 ~1989
27863963557279278 ~1989
27864059557281198 ~1989
27864359557287198 ~1989
Exponent Prime Factor Digits Year
27864719557294398 ~1989
278651111003143996111 ~1995
278654212229233699 ~1991
27865619557312398 ~1989
27865823557316478 ~1989
27867431557348638 ~1989
27867839557356798 ~1989
278684872229478979 ~1991
27868931557378638 ~1989
27869339557386798 ~1989
278695811672174879 ~1990
27869819557396398 ~1989
27870179557403598 ~1989
27870239557404798 ~1989
27870371557407438 ~1989
27870383557407678 ~1989
278703912787039119 ~1991
27870443557408878 ~1989
27870851557417038 ~1989
27870863557417278 ~1989
27871391557427838 ~1989
27871643557432878 ~1989
27871979557439598 ~1989
27872459557449198 ~1989
27872651557453038 ~1989
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25-04-13