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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.
Exponent Prime Factor Digits Year
218609317131165590310 ~1997
218614553131168731910 ~1997
2186279634372559279 ~1996
2186304114372608239 ~1996
2186360034372720079 ~1996
218637557524730136910 ~1999
218641009524738421710 ~1999
218646391218646391110 ~1998
2186688114373376239 ~1996
2186711514373423039 ~1996
218671997131203198310 ~1997
218677843218677843110 ~1998
2186829834373659679 ~1996
2186837994373675999 ~1996
218684387174947509710 ~1998
218688427743540651910 ~1999
2186899794373799599 ~1996
2186965194373930399 ~1996
218705441174964352910 ~1998
2187061794374123599 ~1996
2187092514374185039 ~1996
2187104034374208079 ~1996
2187138714374277439 ~1996
2187152394374304799 ~1996
218717311218717311110 ~1998
Exponent Prime Factor Digits Year
2187204594374409199 ~1996
2187205072143460968711 ~2000
2187256794374513599 ~1996
2187279594374559199 ~1996
2187312834374625679 ~1996
2187334194374668399 ~1996
218733763524961031310 ~1999
218736061131241636710 ~1997
2187373314374746639 ~1996
218743901131246340710 ~1997
2187504594375009199 ~1996
2187513114375026239 ~1996
2187522311268762939911 ~2000
218755601175004480910 ~1998
218756047350009675310 ~1998
2187623394375246799 ~1996
2187627114375254239 ~1996
218764379175011503310 ~1998
218765321131259192710 ~1997
2187653211050073540911
2187682794375365599 ~1996
218768681131261208710 ~1997
2187696714375393439 ~1996
218769827175015861710 ~1998
2187725034375450079 ~1996
Exponent Prime Factor Digits Year
218773721131264232710 ~1997
2187793914375587839 ~1996
2187808194375616399 ~1996
2187828714375657439 ~1996
2187849114375698239 ~1996
2187868914375737839 ~1996
2187896994375793999 ~1996
2187928914375857839 ~1996
2187942114375884239 ~1996
2187977514375955039 ~1996
2188015194376030399 ~1996
2188036194376072399 ~1996
2188057314376114639 ~1996
2188081794376163599 ~1996
218813129525151509710 ~1999
218817887525162928910 ~1999
2188279434376558879 ~1996
2188296834376593679 ~1996
2188375434376750879 ~1996
218839337175071469710 ~1998
2188458834376917679 ~1996
2188537314377074639 ~1996
218861921175089536910 ~1998
218869243218869243110 ~1998
218873021131323812710 ~1997
Exponent Prime Factor Digits Year
2188774194377548399 ~1996
218885369525324885710 ~1999
2188933794377867599 ~1996
2188934394377868799 ~1996
2188962114377924239 ~1996
218898181131338908710 ~1997
2189057514378115039 ~1996
218906921175125536910 ~1998
218908817175127053710 ~1998
2189092194378184399 ~1996
2189202834378405679 ~1996
2189312394378624799 ~1996
2189578914379157839 ~1996
218958407175166725710 ~1998
2189680314379360639 ~1996
2189755914379511839 ~1996
2189834634379669279 ~1996
2189908794379817599 ~1996
2189959434379918879 ~1996
2189959932102361532911 ~2000
2189962794379925599 ~1996
218997379218997379110 ~1998
2190051234380102479 ~1996
2190081234380162479 ~1996
2190117114380234239 ~1996
2997
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25-11-17