Home e-mail
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 Dig. Year
21121006754342242013508712 ~2019
2112203939212703...42188914 2024
21123730280342247460560712 ~2019
21124708382342249416764712 ~2019
2112653204637478...44390314 2023
21127091803142254183606312 ~2019
21128233022342256466044712 ~2019
21130549123142261098246312 ~2019
2113096431377607...52932114 2025
2113190210831407...04127915 2026
21134125484342268250968712 ~2019
2113429914491648...33302314 2024
21134677115942269354231912 ~2019
21135321974342270643948712 ~2019
21135363305942270726611912 ~2019
2113626320812616...51627915 2025
21136957496342273914992712 ~2019
21138666613142277333226312 ~2019
21139784012342279568024712 ~2019
21141670238342283340476712 ~2019
21143488739942286977479912 ~2019
21145874071142291748142312 ~2019
21148281950342296563900712 ~2019
21148675076342297350152712 ~2019
21151465943942302931887912 ~2019
Exponent Prime Factor Dig. Year
21156980114342313960228712 ~2019
21157908877142315817754312 ~2019
21158019626342316039252712 ~2019
2115841740733512...89611914 2024
21158957333942317914667912 ~2019
2115904043092708...75155314 2024
21159087209942318174419912 ~2019
2116290368771371...89629715 2025
21164431489142328862978312 ~2020
21164440004342328880008712 ~2020
21164799383942329598767912 ~2020
21165117553142330235106312 ~2020
21165731834342331463668712 ~2020
21167296265942334592531912 ~2020
21167526398342335052796712 ~2020
21170520698342341041396712 ~2020
21171601429142343202858312 ~2020
21175815149942351630299912 ~2020
21176318549942352637099912 ~2020
21179545151942359090303912 ~2020
21181276375142362552750312 ~2020
21182065361942364130723912 ~2020
21182367395942364734791912 ~2020
21182888042342365776084712 ~2020
21183301507142366603014312 ~2020
Exponent Prime Factor Dig. Year
21183717149942367434299912 ~2020
21186831155942373662311912 ~2020
2118784517396004...22832715 2025
2118894727572500...78532714 2024
21190790825942381581651912 ~2020
21191534129942383068259912 ~2020
2119173819432543...83316114 2024
21192939008342385878016712 ~2020
21193670984342387341968712 ~2020
21195804539942391609079912 ~2020
21196489573142392979146312 ~2020
21197245835942394491671912 ~2020
21199890632342399781264712 ~2020
21200545121942401090243912 ~2020
21203815675142407631350312 ~2020
21204039017942408078035912 ~2020
21204321524342408643048712 ~2020
21207209603942414419207912 ~2020
21208847371142417694742312 ~2020
21209342923142418685846312 ~2020
21210487916342420975832712 ~2020
21211903448342423806896712 ~2020
2121305474815260...77528914 2024
2121319641896788...54048114 2025
21213785237942427570475912 ~2020
Exponent Prime Factor Dig. Year
21215449255142430898510312 ~2020
21215474251142430948502312 ~2020
2121706007391629...36755315 2025
21217883930342435767860712 ~2020
21217940185142435880370312 ~2020
21220591184342441182368712 ~2020
21221804453942443608907912 ~2020
21222284215142444568430312 ~2020
21222314399942444628799912 ~2020
21224730163142449460326312 ~2020
21224903719142449807438312 ~2020
21225082931942450165863912 ~2020
21226320619142452641238312 ~2020
21227077586342454155172712 ~2020
21228375655142456751310312 ~2020
21230744558342461489116712 ~2020
21230931740342461863480712 ~2020
21231621523142463243046312 ~2020
21231974066342463948132712 ~2020
21232926206342465852412712 ~2020
21235862054342471724108712 ~2020
21238559750342477119500712 ~2020
21243263429942486526859912 ~2020
21243724963142487449926312 ~2020
2124459705432549...46516114 2024
Home
5.471.290 digits
e-mail
26-03-29