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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
30554339611086798 ~1989
30554939611098798 ~1989
30554999611099998 ~1989
30555131611102638 ~1989
30555191611103838 ~1989
305555171833331039 ~1991
30555611611112238 ~1989
305569012444552099 ~1991
30557099611141998 ~1989
30557183611143678 ~1989
30557399611147998 ~1989
30557591611151838 ~1989
30557783611155678 ~1989
30558119611162398 ~1989
305583472444667779 ~1991
305584336722855279 ~1992
30558551611171038 ~1989
30559499611189998 ~1989
30559979611199598 ~1989
30560219611204398 ~1989
30560639611212798 ~1989
305609771833658639 ~1991
30561119611222398 ~1989
305611371833668239 ~1991
30561143611222878 ~1989
Exponent Prime Factor Digits Year
30561263611225278 ~1989
30561431611228638 ~1989
305616131833696799 ~1991
30561731611234638 ~1989
30562139611242798 ~1989
30562151611243038 ~1989
30563063611261278 ~1989
30563363611267278 ~1989
305646412445171299 ~1991
30565343611306878 ~1989
30565763611315278 ~1989
30565823611316478 ~1989
305661715501910799 ~1992
30566339611326798 ~1989
30566567299552356710 ~1994
30566891611337838 ~1989
30566999611339998 ~1989
30567059611341198 ~1989
30567083611341678 ~1989
30567791611355838 ~1989
30568451611369038 ~1989
305694712445557699 ~1991
30569543611390878 ~1989
30569939611398798 ~1989
30570383611407678 ~1989
Exponent Prime Factor Digits Year
30570623611412478 ~1989
30570671611413438 ~1989
30570899611417998 ~1989
30571259611425198 ~1989
305712793057127919 ~1991
30571571611431438 ~1989
305719873057198719 ~1991
30572291611445838 ~1989
30573839611476798 ~1989
30573971611479438 ~1989
305741275503342879 ~1992
30574183415808888910 ~1994
30574223611484478 ~1989
30574451611489038 ~1989
30574919611498398 ~1989
30575411611508238 ~1989
30575663611513278 ~1989
30575771611515438 ~1989
30575939611518798 ~1989
30577031611540638 ~1989
30577139611542798 ~1989
30577483103963442310 ~1992
305776971834661839 ~1991
305779011834674079 ~1991
30578519611570398 ~1989
Exponent Prime Factor Digits Year
30578939611578798 ~1989
305797492446379939 ~1991
305804211834825279 ~1991
30580631611612638 ~1989
30580799611615998 ~1989
30581711611634238 ~1989
30582971611659438 ~1989
305830012446640099 ~1991
30583643611672878 ~1989
30583919611678398 ~1989
305840771835044639 ~1991
30584231611684638 ~1989
30584579611691598 ~1989
30585311611706238 ~1989
30586079611721598 ~1989
30586091611721838 ~1989
30586151611723038 ~1989
305862112446896899 ~1991
30586403611728078 ~1989
30586511611730238 ~1989
30586823611736478 ~1989
30587279611745598 ~1989
30587939611758798 ~1989
30588001146822404910 ~1993
30588059611761198 ~1989
1800
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25-11-02