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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.
Exp. Prime Factor Digits Year
5601863112037278 ~1984
5601923112038478 ~1984
5602139112042798 ~1984
56024111008433999 ~1986
5602451112049038 ~1984
5602559112051198 ~1984
5602631112052638 ~1984
5602643112052878 ~1984
5602679448214338 ~1985
5602703112054078 ~1984
5602871112057438 ~1984
5602897896463538 ~1986
5602931112058638 ~1984
56029391344705379 ~1986
56029731344713539 ~1986
5603051112061038 ~1984
5603069784429678 ~1986
5603291112065838 ~1984
5603501448280098 ~1985
5603519112070398 ~1984
5603891112077838 ~1984
5603933336235998 ~1985
5604251112085038 ~1984
5604359112087198 ~1984
56043671345048099 ~1986
Exp. Prime Factor Digits Year
5604719112094398 ~1984
5604881336292878 ~1985
5604881448390498
5605253336315198 ~1985
5605471560547118 ~1985
5605493336329598 ~1985
5605679112113598 ~1984
5605739112114798 ~1984
5605771560577118 ~1985
5605811112116238 ~1984
5605811448464898
5605927560592718 ~1985
5606281336376878 ~1985
56062811233381839
5606477336388638 ~1985
5606759112135198 ~1984
56068331682049919 ~1987
5607131112142638 ~1984
5607191112143838 ~1984
5607257336435438 ~1985
5607391560739118 ~1985
5607601336456078 ~1985
56076011682280319
56076494037507299 ~1987
5607659448612738 ~1985
Exp. Prime Factor Digits Year
5607737785083198 ~1986
5607827448626178 ~1985
5607839112156798 ~1984
5607911112158238 ~1984
56080511009449199 ~1986
5608139112162798 ~1984
5608199112163998 ~1984
5608217336493038 ~1985
5608327560832718 ~1985
5608703112174078 ~1984
5608903897424498 ~1986
5609141336548478 ~1985
5609183112183678 ~1984
5609231112184638 ~1984
5609657448772578 ~1985
5609713336582798 ~1985
5609783112195678 ~1984
5609951112199038 ~1984
5610161448812898 ~1985
5610197336611838 ~1985
5610233785432638 ~1986
5610461336627678 ~1985
56104691683140719 ~1987
5610653336639198 ~1985
5610797448863778 ~1985
Exp. Prime Factor Digits Year
5610887448870978 ~1985
5610977785536798 ~1986
5611019112220398 ~1984
5611043112220878 ~1984
5611223112224478 ~1984
5611721336703278 ~1985
5611841336710478 ~1985
5611871112237438 ~1984
5612107561210718 ~1985
5612111112242238 ~1984
5612221336733278 ~1985
5612249785714878 ~1986
5612291112245838 ~1984
5612339112246798 ~1984
5612423112248478 ~1984
5612447448995778 ~1985
5612591112251838 ~1984
5612609449008738 ~1985
5612951449036098 ~1985
5613217898114738 ~1986
5613431112268638 ~1984
5613457336807438 ~1985
5613563112271278 ~1984
5613623112272478 ~1984
5613857449108578 ~1985
733
GIMPS The Prime Pages FactorDb.com
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25-07-08