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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
2102839210283918 ~1982
2102887841154818 ~1984
2102897799100878 ~1983
210301142060237 ~1980
210338342067677 ~1980
2103449168275938 ~1982
2103503504840738 ~1983
2103601126216078 ~1982
2103617168289378 ~1982
2103617631085118
210379142075837 ~1980
2103817126229038 ~1982
21040612146142239 ~1985
2104139378745038 ~1983
2104241126254478 ~1982
2104337126260238 ~1982
210449942089997 ~1980
2104541126272478 ~1982
2104633505111938 ~1983
210470342094077 ~1980
2104717126283038 ~1982
2104717505132098
2104757168380578 ~1982
21048115093642639 ~1985
210485942097197 ~1980
Exp. Prime Factor Digits Year
2104961168396898 ~1982
21049691010385139 ~1984
2105069294709678 ~1982
21052031515746179 ~1984
2105273126316398 ~1982
2105357631607118 ~1983
2105431210543118 ~1982
210548342109677 ~1980
21054972652926239 ~1985
2105507505321698 ~1983
210569942113997 ~1980
210581942116397 ~1980
21058631389869599 ~1984
210596342119277 ~1980
210605942121197 ~1980
2106217631865118 ~1983
210623942124797 ~1980
2106329168506338 ~1982
2106341126380478 ~1982
2106421463412638 ~1983
210643142128637 ~1980
2106437294901198 ~1982
2106479168518338 ~1982
210649142129837 ~1980
210655142131037 ~1980
Exp. Prime Factor Digits Year
2106737800560078 ~1983
2106781126406878 ~1982
2106781337084978
2106781463491838
2106877126412638 ~1982
21068775562155299
21069313918891679 ~1985
2106983175722382310 ~1987
210710342142077 ~1980
2107177632153118 ~1983
210740342148077 ~1980
21074511180172579 ~1984
2107663210766318 ~1982
210775142155037 ~1980
2107837126470238 ~1982
21078491011767539 ~1984
210800342160077 ~1980
2108047505931298 ~1983
210806342161277 ~1980
21081772698466579 ~1985
2108263210826318 ~1982
2108453632535918 ~1983
2108497337359538 ~1983
210853142170637 ~1980
2108669168693538 ~1982
Exp. Prime Factor Digits Year
2108809506114178 ~1983
2108879168710338 ~1982
2109053295267438 ~1982
210917942183597 ~1980
2109179168734338
21092531138996639 ~1984
210931142186237 ~1980
2109403337504498 ~1983
2109553126573198 ~1982
2109617295346398 ~1982
2109619131640225710 ~1986
2109739379753038 ~1983
210974342194877 ~1980
210979142195837 ~1980
2109869632960718 ~1983
210991142198237 ~1980
2109973632991918 ~1983
211001942200397 ~1980
2110037295405198 ~1982
2110063211006318 ~1982
211010342202077 ~1980
211025942205197 ~1980
211034342206877 ~1980
2110439379879038 ~1983
2110469295465678 ~1982
396
GIMPS The Prime Pages FactorDb.com
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25-05-04