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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
16192283323845678 ~1987
16192333971539998 ~1988
16192523323850478 ~1987
16192751323855038 ~1987
16192859323857198 ~1987
16192919323858398 ~1987
16193123323862478 ~1987
16193603323872078 ~1987
16193819323876398 ~1987
161938311295506499 ~1989
161940711295525699 ~1989
16194551323891038 ~1987
161946711295573699 ~1989
16195801971748078 ~1988
16196651323933038 ~1987
161967431619674319 ~1989
16197089246195752910 ~1992
16197179323943598 ~1987
16197193971831598 ~1988
161975211295801699 ~1989
16197743323954878 ~1987
16197959323959198 ~1987
16198571323971438 ~1987
16199413971964798 ~1988
16200599324011998 ~1987
Exponent Prime Factor Digits Year
16201897972113838 ~1988
16202159324043198 ~1987
16202171324043438 ~1987
162023412592374579 ~1989
16202891324057838 ~1987
16202951324059038 ~1987
162029511296236099
16203059324061198 ~1987
16203191324063838 ~1987
162033071620330719 ~1989
16203623324072478 ~1987
16203763116667093710 ~1991
16203923324078478 ~1987
16204343324086878 ~1987
16204403324088078 ~1987
16204943324098878 ~1987
16205261972315678 ~1988
16205381972322878 ~1988
162053933889294339 ~1990
162059571296476579 ~1989
16206383324127678 ~1987
16206479324129598 ~1987
162072291296578339 ~1989
162073332593173299 ~1989
16207391324147838 ~1987
Exponent Prime Factor Digits Year
16207463324149278 ~1987
16207619324152398 ~1987
16207993972479598 ~1988
16209863324197278 ~1987
16209923324198478 ~1987
162100573890413699 ~1990
16210091324201838 ~1987
16210823324216478 ~1987
16211003324220078 ~1987
16211231324224638 ~1987
16211339324226798 ~1987
16212013492845195310 ~1993
16212181972730878 ~1988
16212233972733998 ~1988
16212359324247198 ~1987
16212851324257038 ~1987
16213679324273598 ~1987
162137112918467999 ~1990
162139911297119299 ~1989
16214279324285598 ~1987
16214351324287038 ~1987
162148011297184099 ~1989
16215013972900798 ~1988
16216163324323278 ~1987
162164517783896499 ~1991
Exponent Prime Factor Digits Year
162164833891955939 ~1990
16216523324330478 ~1987
162169031621690319 ~1989
16217171324343438 ~1987
16217291324345838 ~1987
16217339324346798 ~1987
16217543324350878 ~1987
16217639324352798 ~1987
16217701973062078 ~1988
16217857973071438 ~1988
16217893973073598 ~1988
16218803324376078 ~1987
162188034216888799
16219211324384238 ~1987
162193372270707199 ~1989
16219499324389998 ~1987
16219883324397678 ~1987
16221197973271838 ~1988
16221203324424078 ~1987
162216411297731299 ~1989
16221983324439678 ~1987
16222259324445198 ~1987
162222591297780739
162224696164538239 ~1990
16222499324449998 ~1987
1292
GIMPS The Prime Pages FactorDb.com
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25-06-08