Home e-mail
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
56849271023286879 ~1986
5685241909638578 ~1986
5685371113707438 ~1984
5685677454854178 ~1985
5685739568573918 ~1985
5685863113717278 ~1984
56859611250911439 ~1986
5686181341170878 ~1985
5686403113728078 ~1984
5686591909854578 ~1986
5686601454928098 ~1985
5686613796125838 ~1986
5686649796130878 ~1986
5686691454935298 ~1985
56867771706033119 ~1987
56869319212828239 ~1988
5687053909928498 ~1986
5687179568717918 ~1985
56871911023694399 ~1986
5687239568723918 ~1985
5687261341235678 ~1985
5687471113749438 ~1984
5687501455000098 ~1985
5687687455014978 ~1985
5687791568779118 ~1985
Exp. Prime Factor Digits Year
56879992388959599 ~1987
5688037341282238 ~1985
5688071113761438 ~1984
56883292161565039 ~1987
5688359113767198 ~1984
5688503113770078 ~1984
5688911113778238 ~1984
5688983113779678 ~1984
5689091455127298 ~1985
5689241341354478 ~1985
5689643113792878 ~1984
5689793341387598 ~1985
5689811113796238 ~1984
56898131365555139 ~1986
5690057341403438 ~1985
5690213341412798 ~1985
5690213796629838
5690339113806798 ~1984
5690473910475698 ~1986
5690561455244898 ~1985
5690651113813038 ~1984
56906693072961279 ~1987
5690717796700398 ~1986
56908271024348879 ~1986
5690897796725598 ~1986
Exp. Prime Factor Digits Year
5690917910546738 ~1986
5690987455278978 ~1985
5691043569104318 ~1985
5691083113821678 ~1984
5691137455290978 ~1985
5691359113827198 ~1984
5691463569146318 ~1985
5691479455318338 ~1985
5691691569169118 ~1985
5691827455346178 ~1985
5691913341514798 ~1985
56921331366111939 ~1986
5692279569227918 ~1985
5692391113847838 ~1984
5692559113851198 ~1984
5692763113855278 ~1984
5692811113856238 ~1984
5692853341571198 ~1985
5693123113862478 ~1984
56933577173629839 ~1988
5693399113867998 ~1984
5693461341607678 ~1985
5693539569353918 ~1985
5693543113870878 ~1984
5693591113871838 ~1984
Exp. Prime Factor Digits Year
56936212163575999 ~1987
56938991024901839 ~1986
5693921341635278 ~1985
5694011113880238 ~1984
5694431113888638 ~1984
5694431455554498
5694581455566498 ~1985
5694659113893198 ~1984
5694971113899438 ~1984
5694971455597698
5695271455621698 ~1985
5695301455624098 ~1985
5695379113907598 ~1984
5695463113909278 ~1984
5695499113909998 ~1984
5695619113912398 ~1984
56956337176497599 ~1988
5695741545651987910 ~1990
5695981341758878 ~1985
5696057341763438 ~1985
5696063113921278 ~1984
5696101341766078 ~1985
5696123113922478 ~1984
5696239569623918 ~1985
5696429455714338 ~1985
773
GIMPS The Prime Pages FactorDb.com
Home
5.680.769 digits 		e-mail
26-07-05