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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
3239681259174498 ~1983
3240101194406078 ~1983
3240113453615838 ~1984
324011964802397 ~1982
324013164802637 ~1982
3240247777659298 ~1984
3240253194415198 ~1983
324029964805997 ~1982
32405531296221219 ~1985
324068364813677 ~1982
3240703324070318 ~1984
3240733777775938 ~1984
32407334083323599
3240737194444238 ~1983
3240851259268098 ~1983
324091164818237 ~1982
3241289972386718 ~1985
3241379259310338 ~1983
3241657194499438 ~1983
324173964834797 ~1982
324194364838877 ~1982
324215964843197 ~1982
32423111556309299 ~1985
324239964847997 ~1982
3242479583646238 ~1984
Exp. Prime Factor Digits Year
3242573194554398 ~1983
3242741194564478 ~1983
3242773194566398 ~1983
3242803324280318 ~1984
3243133518901298 ~1984
324314364862877 ~1982
324323964864797 ~1982
324332364866477 ~1982
3243337518933938 ~1984
3243343778402338 ~1985
3243377454072798 ~1984
3243497454089598 ~1984
32436371556945779 ~1985
3243781194626878 ~1983
3243973194638398 ~1983
3244159583948638 ~1984
324421164884237 ~1982
3244291583972398 ~1984
32443691751959279 ~1985
3244741194684478 ~1983
3244837778760898 ~1985
324485964897197 ~1982
3244889454284478 ~1984
324491964898397 ~1982
324493164898637 ~1982
Exp. Prime Factor Digits Year
32449312141654479
324500364900077 ~1982
3245057454307998 ~1984
3245239324523918 ~1984
3245321194719278 ~1983
3245357259628578 ~1983
324547164909437 ~1982
3245479778914978 ~1985
324557964911597 ~1982
3245687584223678 ~1984
3245747259659778 ~1983
3245833194749998 ~1983
3246137779072898 ~1985
324614364922877 ~1982
324620364924077 ~1982
3246277194776638 ~1983
3246449259715938 ~1983
3246601519456178 ~1984
32466131298645219 ~1985
324667164933437 ~1982
3246721194803278 ~1983
3246799779231778 ~1985
3246941259755298 ~1983
3247177194830638 ~1983
3247331259786498 ~1983
Exp. Prime Factor Digits Year
3247337259786978 ~1983
3247421194845278 ~1983
3247471324747118 ~1984
32474831363942879 ~1985
3247567584562078 ~1984
324763164952637 ~1982
324776364955277 ~1982
3247817454694398 ~1984
3247921714542638 ~1984
3248053714571678 ~1984
324811164962237 ~1982
32481972078846099 ~1986
3248257194895438 ~1983
3248257779581698
3248269779584578 ~1985
3248351259868098 ~1983
32483511624175519
32483691234380239 ~1985
3248393454775038 ~1984
3248417194905038 ~1983
3248461194907678 ~1983
324869964973997 ~1982
3248731324873118 ~1984
324914364982877 ~1982
3249217194953038 ~1983
543
GIMPS The Prime Pages FactorDb.com
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26-05-03