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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
1877221412988638 ~1983
187730337546077 ~1980
1877303600736978
1877347450563298 ~1983
1877521112651278 ~1981
18777171051521539 ~1984
187772337554477 ~1980
18777611314432719 ~1984
1877801112668078 ~1981
187789137557837 ~1980
1878043187804318 ~1982
1878049450731778 ~1983
187805937561197 ~1980
187826337565277 ~1980
1878277563483118 ~1983
187841937568397 ~1980
1878553112713198 ~1981
187868337573677 ~1980
1878769563630718 ~1983
1878781112726878 ~1981
187879137575837 ~1980
1878869263041678 ~1982
187891137578237 ~1980
1878949563684718 ~1983
1879069751627618 ~1983
Exp. Prime Factor Digits Year
187907937581597 ~1980
1879357112761438 ~1981
187943937588797 ~1980
187946337589277 ~1980
187952337590477 ~1980
1879597563879118 ~1983
1879781150382498 ~1981
1879789563936718 ~1983
1879817563945118 ~1983
187993137598637 ~1980
188015937603197 ~1980
1880309150424738 ~1981
1880323300851698 ~1982
1880327150426178 ~1981
1880573112834398 ~1981
1880647451355298 ~1983
1881071150485698 ~1981
1881151300984178 ~1982
1881277112876638 ~1981
188131137626237 ~1980
18813493461682179 ~1985
1881403188140318 ~1982
188141937628397 ~1980
18814791843849439 ~1984
1881521112891278 ~1981
Exp. Prime Factor Digits Year
1881533112891998 ~1981
1881821150545698 ~1981
1881853414007678 ~1983
1881907338743278 ~1982
1882063301130098 ~1982
1882081301132978 ~1982
1882141112928478 ~1981
1882141301142578
1882171188217118 ~1982
1882253112935198 ~1981
188227137645437 ~1980
1882313112938798 ~1981
188240337648077 ~1980
1882459188245918 ~1982
1882471338844798 ~1982
1882541150603298 ~1981
1882561564768318 ~1983
1882607338869278 ~1982
1882703602464978 ~1983
1882921112975278 ~1981
1883047301287538 ~1982
1883113414284878 ~1983
1883153112989198 ~1981
1883201715616398 ~1983
1883207338977278 ~1982
Exp. Prime Factor Digits Year
18832374670427779 ~1985
188327937665597 ~1980
188335137667037 ~1980
1883383188338318 ~1982
1883393263675038 ~1982
188347137669437 ~1980
1883773113026398 ~1981
1883857753542818 ~1983
1883881113032878 ~1981
1883939150715138 ~1981
1884011150720898 ~1981
1884013113040798 ~1981
1884209263789278 ~1982
18842091356630499
1884247753698818 ~1983
18842472148041599
18843432148151039 ~1984
188435937687197 ~1980
1884437113066238 ~1981
1884563489986398 ~1983
1884679640790878 ~1983
1884713113082798 ~1981
18847491017764479 ~1984
188479137695837 ~1980
188480337696077 ~1980
378
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26-02-08