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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
1298279337789675999 ~1996
129829991103863992910 ~1996
1298304712596609439 ~1994
1298304737789828399 ~1996
1298341432596682879 ~1994
1298347377790084239 ~1996
129840283207744452910 ~1997
1298448112596896239 ~1994
1298471992596943999 ~1994
1298504992597009999 ~1994
1298531032597062079 ~1994
1298543632597087279 ~1994
1298553377791320239 ~1996
129862829181807960710 ~1996
1298631832597263679 ~1994
129863389311672133710 ~1997
1298650137791900799 ~1996
1298657217791943279 ~1996
1298666032597332079 ~1994
1298681032597362079 ~1994
1298716137792296799 ~1996
1298733232597466479 ~1994
129873763129873763110 ~1996
1298742592597485199 ~1994
12988359111767453344712 ~2001
Exponent Prime Factor Digits Year
1298923912597847839 ~1994
1298995192597990399 ~1994
1299009712598019439 ~1994
1299020392598040799 ~1994
1299042832598085679 ~1994
1299060832598121679 ~1994
1299071632598143279 ~1994
1299088432598176879 ~1994
1299098032598196079 ~1994
129912163129912163110 ~1996
1299146392598292799 ~1994
1299161512598323039 ~1994
1299169312598338639 ~1994
1299210831896847811911 ~1999
1299234592598469199 ~1994
1299238312598476639 ~1994
1299288377795730239 ~1996
1299293632598587279 ~1994
1299302632598605279 ~1994
1299305392598610799 ~1994
1299326532494706937711 ~1999
1299351112598702239 ~1994
1299359512598719039 ~1994
1299367312598734639 ~1994
1299375832598751679 ~1994
Exponent Prime Factor Digits Year
1299385192598770399 ~1994
1299418393352499446311 ~2000
1299453232598906479 ~1994
129947011129947011110 ~1996
1299490192598980399 ~1994
1299500392599000799 ~1994
1299523792599047599 ~1994
1299529432599058879 ~1994
1299538017797228079 ~1996
1299558832599117679 ~1994
1299583312599166639 ~1994
1299595192599190399 ~1994
1299622217797733279 ~1996
1299672232599344479 ~1994
1299677512599355039 ~1994
1299694912599389839 ~1994
1299715312599430639 ~1994
1299717712599435439 ~1994
1299756232599512479 ~1994
1299776632599553279 ~1994
1299806632599613279 ~1994
1299814312599628639 ~1994
1299848632599697279 ~1994
1299894232599788479 ~1994
1299900232599800479 ~1994
Exponent Prime Factor Digits Year
129993533181990946310 ~1996
1299937192599874399 ~1994
129995123415984393710 ~1997
1299952192599904399 ~1994
1299979192599958399 ~1994
1300041232600082479 ~1994
1300072312600144639 ~1994
1300075432600150879 ~1994
1300103177800619039 ~1996
1300125592600251199 ~1994
1300142992600285999 ~1994
1300151392600302799 ~1994
130015597390046791110 ~1997
1300171192600342399 ~1994
1300171977801031839 ~1996
130019411234034939910 ~1997
130020533182028746310 ~1996
1300219432600438879 ~1994
1300228817801372879 ~1996
130025431208040689710 ~1997
1300257177801543039 ~1996
1300300312600600639 ~1994
1300337032600674079 ~1994
1300343632600687279 ~1994
1300383832600767679 ~1994
2786
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26-02-08