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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
16222971265391679 ~1983
1622377259580338 ~1982
1622473746337598 ~1983
1622549227156878 ~1982
1622591129807298 ~1981
16225975841349219 ~1985
1622609129808738 ~1981
162271132454237 ~1979
1622977746569438 ~1983
1622981129838498 ~1981
162305932461197 ~1979
162307132461437 ~1979
1623161129852898 ~1981
162320332464077 ~1979
162326332465277 ~1979
1623403259744498 ~1982
16234675097686399 ~1985
1623553389652738 ~1982
162359932471997 ~1979
1623701487110318 ~1982
162373397423997 ~1981
1623733259797298
1623763259802098 ~1982
162415132483037 ~1979
1624159162415918 ~1981
Exp. Prime Factor Digits Year
1624213649685218 ~1983
162424197454477 ~1981
1624331129946498 ~1981
1624607422397838 ~1982
1624661129972898 ~1981
1624691422419678 ~1982
16246911462221919
162491397494797 ~1981
162517132503437 ~1979
1625201487560318 ~1982
1625287390068898 ~1982
1625321487596318 ~1982
162533932506797 ~1979
1625417227558398 ~1982
1625419552642478 ~1983
1625497260079538 ~1982
162569932513997 ~1979
1625707552740398 ~1983
16257491430659139 ~1984
162575932515197 ~1979
162583132516637 ~1979
1625867390208098 ~1982
1625909130072738 ~1981
1625927130074178 ~1981
1626017227642398 ~1982
Exp. Prime Factor Digits Year
1626127390270498 ~1982
162617397570397 ~1981
1626211683008638 ~1983
1626227130098178 ~1981
16262393935498399 ~1985
162626332525277 ~1979
162628197576877 ~1981
162637797582637 ~1981
162643132528637 ~1979
1626431422872078
1626431520457938
162643397585997 ~1981
162648197588877 ~1981
16265891659120799 ~1984
1626613878371038 ~1983
1626617618114478 ~1983
16267391821947699 ~1984
1626881130150498 ~1981
162689397613597 ~1981
1626979162697918 ~1981
162698332539677 ~1980
162701397620797 ~1981
1627063260330098 ~1982
162707932541597 ~1980
162711797627037 ~1981
Exp. Prime Factor Digits Year
1627337618388078 ~1983
1627357390565698 ~1982
162740332548077 ~1980
16274031301922419
16274891529839679 ~1984
1627607423177838 ~1982
162779397667597 ~1981
162788332557677 ~1980
1628131162813118 ~1981
1628171521014738 ~1982
1628309227963278 ~1982
1628359390806178 ~1982
1628369227971678 ~1982
1628489781674738 ~1983
1628701358314238 ~1982
162877397726397 ~1981
16288011303040819 ~1983
1629071423558478 ~1982
162907797744637 ~1981
1629109390986178 ~1982
1629119130329538 ~1981
1629137390992898 ~1982
1629163162916318 ~1981
162923397753997 ~1981
1629253651701218 ~1983
342
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25-12-14