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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
1575605021945363012710 ~2004
1575608579315121715910 ~2003
15756648372521063739311 ~2005
15757099396302839756111 ~2006
1575753611315150722310 ~2003
1575780971315156194310 ~2003
1575796451315159290310 ~2003
1575843637945506182310 ~2004
1575868319315173663910 ~2003
1575890999315178199910 ~2003
1575900239315180047910 ~2003
1575905939315181187910 ~2003
1575932531315186506310 ~2003
1576047743315209548710 ~2003
1576236071315247214310 ~2003
1576284263315256852710 ~2003
1576473011315294602310 ~2003
15767135391261370831311 ~2004
1576727963315345592710 ~2003
15767890631576789063111 ~2005
1576815083315363016710 ~2003
1576856051315371210310 ~2003
15770038671261603093711 ~2004
1577015339315403067910 ~2003
1577222831315444566310 ~2003
Exponent Prime Factor Digits Year
1577314597946388758310 ~2004
15773713914101165616711 ~2006
1577403671315480734310 ~2003
1577414711315482942310 ~2003
15774180535047737769711 ~2006
1577446151315489230310 ~2003
15775035891262002871311 ~2004
1577503979315500795910 ~2003
1577589131315517826310 ~2003
1577599571315519914310 ~2003
15776851493786444357711 ~2005
15776882271262150581711 ~2004
1577689031315537806310 ~2003
157771715911359563544912 ~2007
1577857097946714258310 ~2004
1577962741946777644710 ~2004
1578047651315609530310 ~2003
1578163621946898172710 ~2004
1578229553946937731910 ~2004
157823074911047615243112 ~2007
1578267217946960330310 ~2004
1578316559315663311910 ~2003
1578327313946996387910 ~2004
1578388391315677678310 ~2003
1578567071315713414310 ~2003
Exponent Prime Factor Digits Year
1578654503315730900710 ~2003
1578667679315733535910 ~2003
1578683941947210364710 ~2004
1578703823315740764710 ~2003
15787061271262964901711 ~2004
1578748799315749759910 ~2003
1578768239315753647910 ~2003
1578846611315769322310 ~2003
15789060711263124856911 ~2004
1578909011315781802310 ~2003
1578973619315794723910 ~2003
15789859311263188744911 ~2004
1579021331315804266310 ~2003
1579024157947414494310 ~2004
1579027733947416639910 ~2004
15790375491263230039311 ~2004
1579051403315810280710 ~2003
15791378932210793050311 ~2005
1579252403315850480710 ~2003
1579270499315854099910 ~2003
1579380059315876011910 ~2003
1579400723315880144710 ~2003
1579525691315905138310 ~2003
1579568093947740855910 ~2004
15795757631579575763111 ~2005
Exponent Prime Factor Digits Year
1579627943315925588710 ~2003
1579652531315930506310 ~2003
1579686263315937252710 ~2003
15797281192843510614311 ~2005
1579777739315955547910 ~2003
1579787603315957520710 ~2003
15798243732527718996911 ~2005
1579930043315986008710 ~2003
1579981943315996388710 ~2003
1579982483315996496710 ~2003
1580022023316004404710 ~2003
1580048831316009766310 ~2003
15800573991264045919311 ~2004
15801308092212183132711 ~2005
15801806211264144496911 ~2004
1580272019316054403910 ~2003
1580281679316056335910 ~2003
1580315543316063108710 ~2003
158033430710430206426312 ~2007
1580379011316075802310 ~2003
15803913178534113111911 ~2006
1580409503316081900710 ~2003
1580419499316083899910 ~2003
1580421911316084382310 ~2003
1580426951316085390310 ~2003
3767
GIMPS The Prime Pages FactorDb.com
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25-07-20