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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
215546343109277 ~1980
2155597517343298 ~1983
2155603344896498 ~1983
2155661172452898 ~1982
2155793689853778 ~1983
2156017129361038 ~1982
215603943120797 ~1980
2156039517449378
2156053474331678 ~1983
2156083733068238 ~1983
215611143122237 ~1980
2156269474379198 ~1983
215627943125597 ~1980
2156303560638798 ~1983
215635143127037 ~1980
2156417129385038 ~1982
2156597172527778 ~1982
2156617345058738 ~1983
2156711172536898 ~1982
2156731215673118 ~1982
2156849301958878 ~1983
2156851345096178 ~1983
2157041172563298 ~1982
2157041819675598
2157209172576738 ~1982
Exp. Prime Factor Digits Year
2157517129451038 ~1982
215773143154637 ~1980
2157797517871298 ~1983
215789943157997 ~1980
2157899172631938
215792343158477 ~1980
2158069474775198 ~1983
2158139172651138 ~1982
2158171388470798 ~1983
215825943165197 ~1980
2158423215842318 ~1982
2158447345351538 ~1983
2158483863393218 ~1984
2158579215857918 ~1982
215863143172637 ~1980
21587211683802399 ~1984
215881143176237 ~1980
2158841690829138 ~1983
2158859172708738 ~1982
2159041129542478 ~1982
2159191388654398 ~1983
2159207518209698 ~1983
215923143184637 ~1980
2159239734141278 ~1983
2159351561431278 ~1983
Exp. Prime Factor Digits Year
2159537129572238 ~1982
2160127388822878 ~1983
21602471382558099 ~1984
21602591944233119 ~1985
2160283216028318 ~1982
2160443518506338 ~1983
2160629172850338 ~1982
21607971037182579 ~1984
2160881129652878 ~1982
2160967216096718 ~1982
2160997129659838 ~1982
2161001129660078 ~1982
2161121172889698 ~1982
2161157302561998 ~1983
21612971037422579 ~1984
216133143226637 ~1980
216134343226877 ~1980
2161373691639378 ~1983
21614091556214499 ~1984
2161613691716178 ~1983
216175143235037 ~1980
216182343236477 ~1980
216187143237437 ~1980
216200343240077 ~1980
216206343241277 ~1980
Exp. Prime Factor Digits Year
216218343243677 ~1980
2162353129741198 ~1982
21623871600166399 ~1984
216257943251597 ~1980
2162597302763598 ~1983
216260343252077 ~1980
216265143253037 ~1980
216284343256877 ~1980
21628691536502137711 ~1989
216287943257597 ~1980
21628791557272899
2162947216294718 ~1982
2163107389359278 ~1983
2163113692196178 ~1983
2163223346115698 ~1983
216325143265037 ~1980
2163307519193698 ~1983
216343143268637 ~1980
2163467173077378 ~1982
21634672076928339
216350343270077 ~1980
2163503519240738
2163613129816798 ~1982
2163883908830878 ~1984
216391143278237 ~1980
419
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26-07-19