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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
17686139353722798 ~1988
17686271353725438 ~1988
17686583353731678 ~1988
17686979353739598 ~1988
176870171061221039 ~1989
176873811414990499 ~1989
17687711353754238 ~1988
17687903353758078 ~1988
17687951353759038 ~1988
17687963353759278 ~1988
17688659353773198 ~1988
17689559353791198 ~1988
17689631353792638 ~1988
176897511415180099 ~1989
17690219353804398 ~1988
17690279353805598 ~1988
17690303353806078 ~1988
17690483353809678 ~1988
17690951353819038 ~1988
17691119353822398 ~1988
17691263353825278 ~1988
17691431353828638 ~1988
17691911353838238 ~1988
17692079353841598 ~1988
176921771061530639 ~1989
Exponent Prime Factor Digits Year
176926371061558239 ~1989
17692679353853598 ~1988
176926931061561599 ~1989
176929011061574079 ~1989
17693051353861038 ~1988
176933871415470979 ~1989
176936331061617999 ~1989
17693771353875438 ~1988
17694191353883838 ~1988
17694503353890078 ~1988
176946539909005699 ~1991
17695739353914798 ~1988
17695943353918878 ~1988
17696183353923678 ~1988
176962671415701379 ~1989
17696291353925838 ~1988
17697611353952238 ~1988
17698211353964238 ~1988
17698403353968078 ~1988
176988012831808179 ~1990
17698991353979838 ~1988
17699183353983678 ~1988
176997011061982079 ~1989
17699723353994478 ~1988
17700071354001438 ~1988
Exponent Prime Factor Digits Year
17700131354002638 ~1988
177005092478071279 ~1990
17700671354013438 ~1988
17700803354016078 ~1988
17700863354017278 ~1988
177011574248277699 ~1990
177012471416099779 ~1989
17701703343413038310 ~1992
177019218496922099 ~1991
17701979354039598 ~1988
17702143382366288910 ~1993
17702543354050878 ~1988
17702579354051598 ~1988
177027011062162079 ~1989
17702903354058078 ~1988
177031211062187279 ~1989
17703683354073678 ~1988
17704139354082798 ~1988
17704451354089038 ~1988
17704559354091198 ~1988
17704679354093598 ~1988
177048731062292399 ~1989
17705651354113038 ~1988
17705879354117598 ~1988
17706011354120238 ~1988
Exponent Prime Factor Digits Year
17706371354127438 ~1988
177065695311970719 ~1990
17706599354131998 ~1988
177070571062423439 ~1989
17707103354142078 ~1988
177072892479020479 ~1990
17708219354164398 ~1988
17708591354171838 ~1988
177088572833417139 ~1990
177089232833427699 ~1990
177092691416741539 ~1989
177093971062563839 ~1989
177096731062580399 ~1989
177106611416852899 ~1989
17710799354215998 ~1988
177112011416896099 ~1989
17711579354231598 ~1988
177116771062700639 ~1989
17711723354234478 ~1988
177118931062713599 ~1989
17712223230258899110 ~1992
177125811062754879 ~1989
17712743354254878 ~1988
17713331354266638 ~1988
177137391417099139 ~1989
1338
GIMPS The Prime Pages FactorDb.com
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25-05-04