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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
136271927254397 ~1979
1362763463339438 ~1982
1362919136291918 ~1981
1362929109034338 ~1980
136297381778397 ~1980
13630511635661219 ~1983
1363099327143778 ~1982
136315127263037 ~1979
1363259109060738 ~1980
1363277654372978 ~1982
136330181798077 ~1980
136355927271197 ~1979
136367927273597 ~1979
136381127276237 ~1979
1363811436419538
1363909409172718 ~1982
1363993218238898 ~1981
1363993736556238
136403927280797 ~1979
1364141109131298 ~1980
1364191136419118 ~1981
1364221218275378 ~1981
1364263136426318 ~1981
136435127287037 ~1979
1364417191018398 ~1981
Exp. Prime Factor Digits Year
136448327289677 ~1979
1364581545832418 ~1982
1364581627707278
136466327293277 ~1979
1364719655065138 ~1982
1364861109188898 ~1980
1365029109202338 ~1980
1365071764439778 ~1982
1365103218416498 ~1981
136513781908237 ~1980
1365163573368478 ~1982
1365167327640098 ~1982
1365197191127598 ~1981
1365251245745198 ~1981
1365311245755998 ~1981
136536181921677 ~1980
13654612812849679 ~1984
1365499791989438 ~1982
13655573058847699 ~1984
1365659245818638 ~1981
13656672103127199 ~1984
1365703136570318 ~1981
1365719109257538 ~1980
136573381943997 ~1980
1365821655594098 ~1982
Exp. Prime Factor Digits Year
136591127318237 ~1979
1365977191236798 ~1981
1365979655669938 ~1982
1365983327835938 ~1982
1366019109281538 ~1980
1366117409835118 ~1982
136621381972797 ~1980
1366289409886718 ~1982
1366397191295598 ~1981
1366433737873838 ~1982
1366471136647118 ~1981
1366481109318498 ~1980
1366529519281038 ~1982
1366649437327698 ~1982
13666571284657599 ~1983
136672182003277 ~1980
1366769984073698 ~1983
1366907109352578 ~1980
1366907355395838
136692182015277 ~1980
1366979656149938 ~1982
136711782027037 ~1980
136716182029677 ~1980
1367167218746738 ~1981
1367279656293938 ~1982
Exp. Prime Factor Digits Year
1367323218771698 ~1981
1367459246142638 ~1981
1367501109400098 ~1980
1367521410256318 ~1982
1367539136753918 ~1981
136754327350877 ~1979
136759382055597 ~1980
1367789109423138 ~1980
136789382073597 ~1980
1367921109433698 ~1980
1367921984903138
136807127361437 ~1979
136812182087277 ~1980
1368287109462978 ~1980
1368287246291678
1368331136833118 ~1981
1368337218933938 ~1981
1368349301036798 ~1981
1368599328463778 ~1982
136868327373677 ~1979
1368727547490818 ~1982
136879127375837 ~1979
136879382127597 ~1980
136880327376077 ~1979
1368967465448798 ~1982
307
GIMPS The Prime Pages FactorDb.com
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26-03-08