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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
8793439879343918 ~1987
8793479703478338 ~1987
8793671175873438 ~1985
8793839703507138 ~1987
87938713517548419 ~1988
87942674221248179 ~1989
8794501527670078 ~1986
8794561527673678 ~1986
8794613527676798 ~1986
8794631175892638 ~1985
87947573342007679 ~1988
87953271583158879 ~1988
87953991583171839 ~1988
87954311583177599 ~1988
8795483175909678 ~1985
8795911879591118 ~1987
87960011935120239 ~1988
87961671583310079 ~1988
87962532111100739 ~1988
8796503175930078 ~1985
8796581703726498 ~1987
8796611703728898 ~1987
8796659175933198 ~1985
8796757527805438 ~1986
8796863175937278 ~1985
Exp. Prime Factor Digits Year
8796923175938478 ~1985
87974892639246719 ~1988
8797553527853198 ~1986
8797571175951438 ~1985
8797777527866638 ~1986
8798171703853698 ~1987
8798459175969198 ~1985
8798473527908398 ~1986
8798633527917998 ~1986
8798813527928798 ~1986
8799017703921378 ~1987
8799503175990078 ~1985
87995217039616819 ~1989
8799611703968898 ~1987
8799671175993438 ~1985
8799779175995598 ~1985
8799887703990978 ~1987
8799911175998238 ~1985
8799977703998178 ~1987
8799997527999838 ~1986
8800019176000398 ~1985
88000197040015219
8800523176010478 ~1985
8801129704090338 ~1987
8801329168985516910 ~1990
Exp. Prime Factor Digits Year
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
8804267704341378 ~1987
Exp. Prime Factor Digits Year
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
8807993528479598 ~1986
1011
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26-09-27