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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
2152229172178338 ~1982
21522291334381999
2152357990084238 ~1984
215249943049997 ~1980
2152511172200898 ~1982
215257143051437 ~1980
2152589172207138 ~1982
215269143053837 ~1980
215273943054797 ~1980
2152739172219138
2152849516683778 ~1983
2152861473629438 ~1983
2153113129186798 ~1982
2153201645960318 ~1983
2153227215322718 ~1982
21532431421140399 ~1984
21532671076633519 ~1984
2153297301461598 ~1982
2153341344534578 ~1983
2153531172282498 ~1982
2153887215388718 ~1982
2153959904662798 ~1984
2153981818512798 ~1984
2154491172359298 ~1982
215453943090797 ~1980
Exp. Prime Factor Digits Year
21545533576557999 ~1985
2154683517123938 ~1983
2154749172379938 ~1982
215479143095837 ~1980
2154791172383298
2154913646473918 ~1983
2154931344788978 ~1983
2154953301693438 ~1982
2155003344800498 ~1983
2155003517200738
2155129474128398 ~1983
2155159215515918 ~1982
2155297129317838 ~1982
2155333517279938 ~1983
215546343109277 ~1980
2155597517343298 ~1983
2155603344896498 ~1983
2155661172452898 ~1982
2155793689853778 ~1983
2156017129361038 ~1982
215603943120797 ~1980
2156039517449378
2156053474331678 ~1983
2156083733068238 ~1983
215611143122237 ~1980
Exp. Prime Factor Digits Year
2156269474379198 ~1983
215627943125597 ~1980
2156303560638798 ~1983
215635143127037 ~1980
2156417129385038 ~1982
2156597172527778 ~1982
2156617345058738 ~1983
2156711172536898 ~1982
2156731215673118 ~1982
2156849301958878 ~1982
2156851345096178 ~1983
2157041172563298 ~1982
2157041819675598
2157209172576738 ~1982
2157517129451038 ~1982
215773143154637 ~1980
2157797517871298 ~1983
215789943157997 ~1980
2157899172631938
215792343158477 ~1980
2158069474775198 ~1983
2158139172651138 ~1982
2158171388470798 ~1983
215825943165197 ~1980
2158423215842318 ~1982
Exp. Prime Factor Digits Year
2158447345351538 ~1983
2158579215857918 ~1982
215863143172637 ~1980
21587211683802399 ~1984
215881143176237 ~1980
2158859172708738 ~1982
2159041129542478 ~1982
2159191388654398 ~1983
2159207518209698 ~1983
215923143184637 ~1980
2159239734141278 ~1983
2159351561431278 ~1983
2159537129572238 ~1982
2160127388822878 ~1983
21602471382558099 ~1984
21602591944233119 ~1984
2160283216028318 ~1982
2160443518506338 ~1983
2160629172850338 ~1982
2160881129652878 ~1982
2160967216096718 ~1982
2160997129659838 ~1982
2161001129660078 ~1982
2161121172889698 ~1982
2161157302561998 ~1983
401
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25-04-13