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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
138933531945069439 ~1989
13893371277867438 ~1987
138936671389366719 ~1988
13893839277876798 ~1987
138939732223035699 ~1989
13894033833641998 ~1988
13894511277890238 ~1987
138945776669396979 ~1990
13894631277892638 ~1987
13895317833719038 ~1988
13895513833730798 ~1988
13895543277910878 ~1987
13895603277912078 ~1987
13895639277912798 ~1987
138956392501215039
13895641833738478 ~1988
13895977833758638 ~1988
13896119125065071110 ~1991
138961371945459199 ~1989
138962992501333839 ~1989
138963672501346079 ~1989
13896383277927678 ~1987
138968811111750499 ~1988
13897343277946878 ~1987
13897841833870478 ~1988
Exponent Prime Factor Digits Year
138980772223692339 ~1989
13898113189014336910 ~1991
138983511111868099 ~1988
13898411277968238 ~1987
13898663277973278 ~1987
13899071277981438 ~1987
13899311277986238 ~1987
13899443277988878 ~1987
138994437783688099
13899503277990078 ~1987
138999291111994339 ~1988
13900079278001598 ~1987
13900163278003278 ~1987
13900703278014078 ~1987
139008111112064899 ~1988
13901003278020078 ~1987
13901183278023678 ~1987
13901999278039998 ~1987
13902431278048638 ~1987
139026073336625699 ~1989
13902893834173598 ~1988
13902961834177678 ~1988
13903139278062798 ~1987
13903163278063278 ~1987
139033491112267939 ~1988
Exponent Prime Factor Digits Year
13903451278069038 ~1987
13903583278071678 ~1987
13903621834217278 ~1988
139036971112295779 ~1988
13903979278079598 ~1987
13904003278080078 ~1987
13904123278082478 ~1987
139042812224684979 ~1989
13904591278091838 ~1987
13904837834290238 ~1988
13904843278096878 ~1987
13904939278098798 ~1987
13905299278105998 ~1987
13905401111243208110 ~1991
139054279177581839 ~1990
13905491278109838 ~1987
13905953834357198 ~1988
139061691112493539 ~1988
13906393834383598 ~1988
13906439278128798 ~1987
13906757834405438 ~1988
13906777834406638 ~1988
13906859278137198 ~1987
13907219278144398 ~1987
13907471267023443310 ~1992
Exponent Prime Factor Digits Year
13907903278158078 ~1987
13908137834488238 ~1988
139082776675972979 ~1990
139086072503549279 ~1989
13909019278180398 ~1987
139091571112732579 ~1988
13909211278184238 ~1987
139093271390932719 ~1988
13909631278192638 ~1987
13909633834577998 ~1988
13909717834583038 ~1988
13909991278199838 ~1987
13910051278201038 ~1987
13910161834609678 ~1988
139105311112842499 ~1988
13910579278211598 ~1987
139109211112873699 ~1988
13911071278221438 ~1987
13911119278222398 ~1987
13911539278230798 ~1987
13911581834694878 ~1988
13911659278233198 ~1987
139123872504229679 ~1989
13912763278255278 ~1987
13912991278259838 ~1987
1208
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25-07-08