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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
2100229504054978 ~1983
2100257126015438 ~1982
2100407504097698 ~1983
2100463210046318 ~1982
2100541126032478 ~1982
2100541630162318
210055142011037 ~1980
2100559378100638 ~1983
2100661126039678 ~1982
2100941126056478 ~1982
210109142021837 ~1980
2101093336174898 ~1983
210113942022797 ~1980
2101181168094498 ~1982
2101213171038738310 ~1987
210122342024477 ~1980
210128342025677 ~1980
2101447336231538 ~1983
2101513336242098 ~1983
21017892143824799 ~1985
2101807840722818 ~1984
2102117126127038 ~1982
2102167336346738 ~1983
210218342043677 ~1980
2102267546589438 ~1983
Exp. Prime Factor Digits Year
2102279672729298 ~1983
2102411168192898 ~1982
210251942050397 ~1980
210253142050637 ~1980
2102561126153678 ~1982
210265142053037 ~1980
2102777168222178 ~1982
2102801168224098 ~1982
2102801630840318
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
Exp. Prime Factor Digits Year
210449942089997 ~1980
2104541126272478 ~1982
2104633505111938 ~1983
210470342094077 ~1980
2104717126283038 ~1982
2104717505132098
2104757168380578 ~1982
21048115093642639 ~1985
210485942097197 ~1980
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
Exp. Prime Factor Digits Year
210623942124797 ~1980
2106329168506338 ~1982
2106341126380478 ~1982
2106421463412638 ~1983
210643142128637 ~1980
2106437294901198 ~1982
2106479168518338 ~1982
210649142129837 ~1980
210655142131037 ~1980
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
398
GIMPS The Prime Pages FactorDb.com
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25-06-29