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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
1906393114383598 ~1981
190651138130237 ~1980
1906691152535298 ~1982
1906693572007918 ~1983
1906733114403998 ~1981
1906867343236078 ~1982
1906987190698718 ~1982
1907041762816418 ~1983
190706338141277 ~1980
1907233457735938 ~1983
190729138145837 ~1980
190730338146077 ~1980
1907357114441438 ~1981
1907357152588578
19074831373387779 ~1984
1907561152604898 ~1982
1907623190762318 ~1982
1907687152614978 ~1982
190781938156397 ~1980
1907849610511698 ~1983
190790338158077 ~1980
1907909152632738 ~1982
190796338159277 ~1980
190808338161677 ~1980
1908089152647138 ~1982
Exp. Prime Factor Digits Year
1908091190809118 ~1982
19081331831807699 ~1984
1908239457977378 ~1983
190829938165997 ~1980
190831138166237 ~1980
190832338166477 ~1980
1908343190834318 ~1982
1908343458002338
1908407343513278 ~1982
1908449267182878 ~1982
1908611152688898 ~1982
1908617114517038 ~1981
1908631305380978 ~1982
190877938175597 ~1980
1908971610870738 ~1983
1908997114539838 ~1981
1909027305444338 ~1982
19091211183655039 ~1984
19091471107305279 ~1984
190922338184477 ~1980
1909279763711618 ~1983
19093091336516319 ~1984
190934338186877 ~1980
1909363190936318 ~1982
1909373267312238 ~1982
Exp. Prime Factor Digits Year
1909409572822718 ~1983
19094511069292579 ~1984
19094872444143379 ~1984
1909561114573678 ~1981
1909619954809518 ~1983
1909757458341698 ~1983
1909841114590478 ~1981
1909927190992718 ~1982
1909927649375198
190999138199837 ~1980
1910009267401278 ~1982
1910023764009218 ~1983
191006338201277 ~1980
1910119802249998 ~1983
1910131191013118 ~1982
191015938203197 ~1980
1910333114619998 ~1981
191039938207997 ~1980
19104132139662579 ~1984
191042338208477 ~1980
191066338213277 ~1980
1910669152853538 ~1982
19107371337515919 ~1984
1910837114650238 ~1981
1910941305750578 ~1982
Exp. Prime Factor Digits Year
1911017152881378 ~1982
191108338221677 ~1980
1911149573344718 ~1983
191126338225277 ~1980
1911401573420318 ~1983
19114512599573379 ~1985
1911619458788578 ~1983
1911841420605038 ~1983
19118412294209219
1911911344143998 ~1982
1911977267676798 ~1982
1912087344175678 ~1982
1912159458918178 ~1983
191225938245197 ~1980
1912373573711918 ~1983
1912387458972898 ~1983
1912453114747198 ~1981
19124531338717119
1912481114748878 ~1981
191249938249997 ~1980
1912543650264638 ~1983
191258338251677 ~1980
191267938253597 ~1980
191300338260077 ~1980
1913003459120738
380
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25-12-14