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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
183161411098968479 ~1989
18316163366323278 ~1988
183163911465311299 ~1989
183163914762261679
18316631366332638 ~1988
18317231366344638 ~1988
183172611099035679 ~1989
18317291366345838 ~1988
18317363366347278 ~1988
18317399366347998 ~1988
18317723366354478 ~1988
183178011099068079 ~1989
18318011366360238 ~1988
183186671831866719 ~1989
183188711831887119 ~1989
183189134396539139 ~1990
18319019366380398 ~1988
18319919366398398 ~1988
18319979366399598 ~1988
18320363366407278 ~1988
18320723366414478 ~1988
18321071366421438 ~1988
183213071832130719 ~1989
18321323366426478 ~1988
18321371366427438 ~1988
Exponent Prime Factor Digits Year
18322019366440398 ~1988
183224531099347199 ~1989
183227299894273679 ~1991
18323159366463198 ~1988
183233171099399039 ~1989
18323579366471598 ~1988
183239571465916579 ~1989
183241793298352239 ~1990
183246411099478479 ~1989
18324671366493438 ~1988
18324959366499198 ~1988
18325019366500398 ~1988
18325199366503998 ~1988
18325271366505438 ~1988
18325283366505678 ~1988
18325691366513838 ~1988
183261171466089379 ~1989
18326351366527038 ~1988
183264913298768399 ~1990
183274331099645999 ~1989
18327719366554398 ~1988
183281991466255939 ~1989
18328811366576238 ~1988
18328991366579838 ~1988
183291411099748479 ~1989
Exponent Prime Factor Digits Year
183291913299254399 ~1990
18329543366590878 ~1988
183298631832986319 ~1989
18329903366598078 ~1988
18329939366598798 ~1988
183302931099817599 ~1989
18330359366607198 ~1988
18331031366620638 ~1988
18331259366625198 ~1988
183318134032998879 ~1990
18332243366644878 ~1988
18332399366647998 ~1988
183325191466601539 ~1989
18332591366651838 ~1988
18333083366661678 ~1988
183336971100021839 ~1989
18333923366678478 ~1988
18334271366685438 ~1988
18335423366708478 ~1988
18335543366710878 ~1988
18335591366711838 ~1988
183358812933740979 ~1990
18336299366725998 ~1988
18337043366740878 ~1988
18337139366742798 ~1988
Exponent Prime Factor Digits Year
18337283366745678 ~1988
18337331366746638 ~1988
18337391366747838 ~1988
18337691366753838 ~1988
18338219366764398 ~1988
183382791467062339 ~1989
18338471366769438 ~1988
18338711366774238 ~1988
18338779282417196710 ~1992
18339059366781198 ~1988
18339239366784798 ~1988
183396115868675539 ~1991
18339851366797038 ~1988
18340043366800878 ~1988
18340163366803278 ~1988
183402371100414239 ~1989
18340423616238212910 ~1993
18340463366809278 ~1988
183406132567685839 ~1990
18340859366817198 ~1988
183414371100486239 ~1989
183418671467349379 ~1989
18342119366842398 ~1988
183421611467372899 ~1989
18342851366857038 ~1988
1309
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24-10-27