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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
1297243311338338 ~1981
129731377838797 ~1980
1297337181627198 ~1981
129740325948077 ~1979
12974031894208399
1297447129744718 ~1980
1297447233540478
1297631112374844710 ~1985
1297687233583678 ~1981
129769377861597 ~1980
129773925954797 ~1979
1297781389334318 ~1982
1297799233603838 ~1981
129784177870477 ~1980
129787377872397 ~1980
1297927207668338 ~1981
1298191545240238 ~1982
1298261415443538 ~1982
129835777901437 ~1980
1298611207777778 ~1981
1298611623333298
129865125973037 ~1979
1298771337680478 ~1981
12988191584559199 ~1983
129883125976637 ~1979
Exp. Prime Factor Digits Year
1298831337696078
1298887207821938 ~1981
1298909701410878 ~1982
1299019129901918 ~1980
1299019545587998
129905925981197 ~1979
1299283154094963910 ~1986
1299289285843598 ~1981
129929925985997 ~1979
1299299233873838
1299317103945378 ~1980
1299437623729778 ~1982
129949125989837 ~1979
129953377971997 ~1980
129954177972477 ~1980
1299541207926578
1299583545824878 ~1982
129965377979197 ~1980
129982177989277 ~1980
129991777995037 ~1980
1299941389982318 ~1982
1300021286004638 ~1981
1300153208024498 ~1981
1300237208037938 ~1981
130028326005677 ~1979
Exp. Prime Factor Digits Year
1300333520133218 ~1982
130039126007837 ~1979
1300433182060638 ~1981
130045126009037 ~1979
1300471234084798 ~1981
130051126010237 ~1979
130057126011437 ~1979
1300573312137538 ~1981
130058326011677 ~1979
1300769390230718 ~1982
130081378048797 ~1980
130117378070397 ~1980
130125778075437 ~1980
130129778077837 ~1980
130143778086237 ~1980
1301527442519198 ~1982
130154326030877 ~1979
1301581208252978 ~1981
13016211041296819 ~1983
1301693182237038 ~1981
1301719922918771110 ~1987
1301779130177918 ~1980
1301851755073598 ~1982
130187926037597 ~1979
130189378113597 ~1980
Exp. Prime Factor Digits Year
130193926038797 ~1979
1302017104161378 ~1980
130229378137597 ~1980
130237378142397 ~1980
1302373286522078
130244326048877 ~1979
1302443338635198
130246178147677 ~1980
1302827104226178 ~1980
1302839938044098 ~1983
130309126061837 ~1979
13032831251151699 ~1983
1303327312798498 ~1981
1303363443143438 ~1982
130345378207197 ~1980
1303453286759678
130349926069997 ~1979
1303633599671198 ~1982
1303711130371118 ~1980
1303867834474898 ~1982
130387126077437 ~1979
130393126078637 ~1979
1303931625886898
130400326080077 ~1979
130418326083677 ~1979
298
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26-04-05