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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
213509942701997 ~1980
2135101128106078 ~1982
21352192220627779 ~1985
213527942705597 ~1980
2135407341665138 ~1983
2135411170832898 ~1982
213551942710397 ~1980
213566342713277 ~1980
2135687384423678 ~1983
2135723555287998 ~1983
21358511238793599 ~1984
2135891170871298 ~1982
213608342721677 ~1980
2136083512659938
213611942722397 ~1980
213613142722637 ~1980
2136133512671938 ~1983
2136301128178078 ~1982
213637142727437 ~1980
213638342727677 ~1980
2136389512733378 ~1983
2136437128186238 ~1982
2136583341853298 ~1983
2136599683711698 ~1983
21365992222062979
Exp. Prime Factor Digits Year
2136601128196078 ~1982
2136661128199678 ~1982
2136661470065438
2136773299148238 ~1982
213683942736797 ~1980
2136839170947138
2136913341906098 ~1983
213698342739677 ~1980
2137133299198638 ~1982
2137141128228478 ~1982
2137159213715918 ~1982
213721142744237 ~1980
2137409683970898 ~1983
2137507384751278 ~1983
2137571384762798 ~1983
213829142765837 ~1980
213839942767997 ~1980
2138419513220578 ~1983
213848342769677 ~1980
2138537641561118 ~1983
2138737983819038 ~1984
213887942777597 ~1980
2138987513356898 ~1983
2139337128360238 ~1982
2139427513462498 ~1983
Exp. Prime Factor Digits Year
2139583213958318 ~1982
213974342794877 ~1980
2139877128392638 ~1982
2139931385187598 ~1983
2139953128397198 ~1982
2140001128400078 ~1982
2140013642003918 ~1983
2140057128403438 ~1982
214009142801837 ~1980
2140157642047118 ~1983
214019942803997 ~1980
2140301171224098 ~1982
2140349684911698 ~1983
2140367556495438 ~1983
2140447513707298 ~1983
2140627214062718 ~1982
2140753128445198 ~1982
21407631584164639 ~1984
2140807214080718 ~1982
2141141171291298 ~1982
214115942823197 ~1980
2141407342625138 ~1983
2141437128486238 ~1982
214154342830877 ~1980
21415491027943539 ~1984
Exp. Prime Factor Digits Year
214159142831837 ~1980
21417311884723299 ~1984
2141891385540398 ~1983
2141897128513838 ~1982
2141899385541838 ~1983
214225142845037 ~1980
2142431171394498 ~1982
2142449299942878 ~1982
2142577128554638 ~1982
2142691342830578 ~1983
2142793128567598 ~1982
214292342858477 ~1980
21429711028626099 ~1984
21430731200120899 ~1984
2143217128593038 ~1982
21432231071611519 ~1984
2143279514386978 ~1983
214333142866637 ~1980
2143417514420098 ~1983
214345142869037 ~1980
2143571557328478 ~1983
2143667171493378 ~1982
214385942877197 ~1980
214394342878877 ~1980
214406342881277 ~1980
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25-05-04