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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
24197843483956878 ~1989
24198683483973678 ~1989
24198719483974398 ~1989
24199223483984478 ~1989
24199403483988078 ~1989
24199811101639206310 ~1992
24199919483998398 ~1989
24199943483998878 ~1989
24200051484001038 ~1989
24200411484008238 ~1989
24200597193604776110 ~1993
24200831484016638 ~1989
24201059484021198 ~1989
24201119484022398 ~1989
24201431484028638 ~1989
242015871936126979 ~1990
242020194356363439 ~1991
24202043484040878 ~1989
24202151484043038 ~1989
242022731452136399 ~1990
242027274356490879 ~1991
24203759484075198 ~1989
24204263484085278 ~1989
242043171452259039 ~1990
24205019484100398 ~1989
Exponent Prime Factor Digits Year
24205319484106398 ~1989
24205523484110478 ~1989
24205619484112398 ~1989
24205631484112638 ~1989
24206411484128238 ~1989
24207191484143838 ~1989
24207563484151278 ~1989
24207899484157998 ~1989
24207959484159198 ~1989
24208883484177678 ~1989
24209291484185838 ~1989
24209329464819116910 ~1994
242096211936769699 ~1990
24209831484196638 ~1989
24210143484202878 ~1989
24210359484207198 ~1989
24210611484212238 ~1989
242107019200066399 ~1992
242110811452664879 ~1990
24211163484223278 ~1989
242116331452697999 ~1990
24211763484235278 ~1989
24212159484243198 ~1989
24212291484245838 ~1989
24212339484246798 ~1989
Exponent Prime Factor Digits Year
24212579484251598 ~1989
24212711484254238 ~1989
242129211452775279 ~1990
242131217263936319 ~1992
242137131452822799 ~1990
24213851484277038 ~1989
242138771452832639 ~1990
24213971484279438 ~1989
242141811452850879 ~1990
242142971452857839 ~1990
242148192421481919 ~1990
24215003484300078 ~1989
24215183484303678 ~1989
24215591484311838 ~1989
242156415327441039 ~1991
242156771452940639 ~1990
242157171937257379 ~1990
242163314358939599 ~1991
24216427256694126310 ~1993
242164571452987439 ~1990
24217031484340638 ~1989
24217139484342798 ~1989
24217379484347598 ~1989
242173791937390339
24217559484351198 ~1989
Exponent Prime Factor Digits Year
242179272421792719 ~1990
24218651484373038 ~1989
24219131484382638 ~1989
242199611453197679 ~1990
242207833875325299 ~1991
24221339484426798 ~1989
24221831484436638 ~1989
24222491484449838 ~1989
24222959484459198 ~1989
24223343484466878 ~1989
24223583484471678 ~1989
24224111484482238 ~1989
24225419484508398 ~1989
242256711938053699 ~1990
242270811453624879 ~1990
24227531484550638 ~1989
242278211453669279 ~1990
24228719484574398 ~1989
242289771938318179 ~1990
24229571484591438 ~1989
24229979484599598 ~1989
24230039484600798 ~1989
24230243484604878 ~1989
242311311938490499 ~1990
24231323484626478 ~1989
1659
GIMPS The Prime Pages FactorDb.com
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26-05-03