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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.
Exp. Prime Factor Digits Year
8358359668668738 ~1987
8358397501503838 ~1986
8358419167168398 ~1985
8358491167169838 ~1985
8358569668685538 ~1987
83585991504547839 ~1987
8358661501519678 ~1986
83587312173270079 ~1988
8358737501524238 ~1986
8358881501532878 ~1986
8358923167178478 ~1985
8359067668725378 ~1987
8359201501552078 ~1986
8359343167186878 ~1985
8359451668756098 ~1987
8359621501577278 ~1986
83596973176684879 ~1988
8359811167196238 ~1985
8359811668784898
8359919167198398 ~1985
8359957501597438 ~1986
8359993501599598 ~1986
8360003167200078 ~1985
8360377501622638 ~1986
8361011167220238 ~1985
Exp. Prime Factor Digits Year
83611912173909679 ~1988
83613291170586079 ~1987
8361677501700638 ~1986
8361701668936098 ~1987
8361733501703998 ~1986
8361751836175118 ~1987
8361779167235598 ~1985
8361803167236078 ~1985
8361833501709998 ~1986
83619671337914739 ~1987
8362163167243278 ~1985
8362169668973538 ~1987
8362199167243998 ~1985
8362331167246638 ~1985
83623971170735599 ~1987
8362559167251198 ~1985
8362573501754398 ~1986
8362619167252398 ~1985
8362631669010498 ~1987
8362897501773838 ~1986
83628971338063539
8363123167262478 ~1985
8363471167269438 ~1985
8363483167269678 ~1985
8363581501814878 ~1986
Exp. Prime Factor Digits Year
8363783167275678 ~1985
8363821501829278 ~1986
8363879167277598 ~1985
83639411840067039 ~1988
8364071167281438 ~1985
8364173501850398 ~1986
83642471505564479 ~1987
8364431167288638 ~1985
8364523836452318 ~1987
8364647669171778 ~1987
8364877501892638 ~1986
83651711505730799 ~1987
8365223167304478 ~1985
8365391167307838 ~1985
8365397501923838 ~1986
8365523167310478 ~1985
83656137194427199 ~1989
8365661501939678 ~1986
8365793501947598 ~1986
8365979167319598 ~1985
8366003167320078 ~1985
8366069669285538 ~1987
8366101501966078 ~1986
8366243167324878 ~1985
8366573501994398 ~1986
Exp. Prime Factor Digits Year
83665916023945539 ~1989
8366777502006638 ~1986
8366777132195076710
8366843167336878 ~1985
8367059167341198 ~1985
8367113502026798 ~1986
8367253502035198 ~1986
8367641669411298 ~1987
8367851167357038 ~1985
8368043167360878 ~1985
8368259167365198 ~1985
8368337502100238 ~1986
8368463167369278 ~1985
8368931669514498 ~1987
83690691171669679 ~1987
8369279167385598 ~1985
8369303167386078 ~1985
8369639167392798 ~1985
8369657502179438 ~1986
8369759167395198 ~1985
8370311167406238 ~1985
83703112176280879
83706171171886399 ~1987
8370721502243278 ~1986
8370959167419198 ~1985
928
GIMPS The Prime Pages FactorDb.com
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25-07-08