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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
8801329168985516910 ~1990
8801399176027998 ~1985
8801459176029198 ~1985
8801557528093438 ~1986
8801581528094878 ~1986
8801711176034238 ~1985
8801879176037598 ~1985
8802161528129678 ~1986
8802317528139038 ~1986
8802461704196898 ~1987
88025111408401779 ~1987
8802797704223778 ~1987
8802803176056078 ~1985
8802931880293118 ~1987
88030571408489139 ~1987
88033031408528499 ~1987
8803811704304898 ~1987
8803877528232638 ~1986
8804111704328898 ~1987
8804123176082478 ~1985
8804171176083438 ~1985
8804171704333698
88042093521683619 ~1988
8804219176084398 ~1985
88042191584759439
Exp. Prime Factor Digits Year
8804267704341378 ~1987
8804303176086078 ~1985
8804437528266238 ~1986
8804591176091838 ~1985
8804843176096878 ~1985
8804867704389378 ~1987
8804891176097838 ~1985
8804897528293838 ~1986
8804953528297198 ~1986
8805011176100238 ~1985
8805143176102878 ~1985
8805323176106478 ~1985
88055231408883699 ~1987
8805617704449378 ~1987
88057731232808239 ~1987
88059131408946099 ~1987
8806043176120878 ~1985
8806073528364398 ~1986
8806093528365598 ~1986
8806403176128078 ~1985
8806439176128798 ~1985
8806757704540578 ~1987
8806859176137198 ~1985
8807273528436398 ~1986
8807681704614498 ~1987
Exp. Prime Factor Digits Year
8807993528479598 ~1986
8808389704671138 ~1987
8808623176172478 ~1985
88089671585614079 ~1988
88090571409449139 ~1987
88090631409450099 ~1987
8809259704740738 ~1987
88092591585666639
8809379704750338 ~1987
8809967704797378 ~1987
8809991176199838 ~1985
8809993528599598 ~1986
8810027704802178 ~1987
8810099176201998 ~1985
8810183176203678 ~1985
8810279704822338 ~1987
8810309704824738 ~1987
88104011409664179 ~1987
8810441528626478 ~1986
8810663176213278 ~1985
88108731233522239 ~1987
8810891704871298 ~1987
8810993528659598 ~1986
88109991585979839 ~1988
88110071409761139 ~1987
Exp. Prime Factor Digits Year
8811251176225038 ~1985
8811359176227198 ~1985
8811373528682398 ~1986
8811479176229598 ~1985
8811851176237038 ~1985
8812439176248798 ~1985
8812673528760398 ~1986
8812961705036898 ~1987
88131077931796319 ~1989
8813543176270878 ~1985
8813639176272798 ~1985
8813771176275438 ~1985
8813993528839598 ~1986
8814479176289598 ~1985
8814479705158338
8814671176293438 ~1985
88148513702237439 ~1988
8814913528894798 ~1986
8815021528901278 ~1986
8815063881506318 ~1987
8815283176305678 ~1985
8815403176308078 ~1985
8815421528925278 ~1986
8815769705261538 ~1987
8815973528958398 ~1986
972
GIMPS The Prime Pages FactorDb.com
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25-11-02