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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
239380731436284399 ~1990
23938283478765678 ~1989
23938511478770238 ~1989
23938559478771198 ~1989
239388074308985279 ~1991
23938823478776478 ~1989
23939771478795438 ~1989
23940011478800238 ~1989
23940359478807198 ~1989
239405931436435599 ~1990
239409011436454079 ~1990
23941013172375293710 ~1992
23941139478822798 ~1989
239414531436487199 ~1990
239420535267251679 ~1991
23942351478847038 ~1989
239426171436557039 ~1990
23942843478856878 ~1989
23942879478857598 ~1989
239435033620257653711 ~1996
239436533352111439 ~1991
23944331478886638 ~1989
239444771436668639 ~1990
23944859478897198 ~1989
23945951478919038 ~1989
Exponent Prime Factor Digits Year
23946491478929838 ~1989
23946551478931038 ~1989
23946563478931278 ~1989
23946623478932478 ~1989
23947223478944478 ~1989
23947499478949998 ~1989
23947559478951198 ~1989
23948003478960078 ~1989
239490471915923779 ~1990
239494075747857699 ~1991
23949479478989598 ~1989
23950163479003278 ~1989
239503491916027939 ~1990
23950403479008078 ~1989
239505471916043779 ~1990
23950571479011438 ~1989
23950799479015998 ~1989
23951183479023678 ~1989
239511971437071839 ~1990
23952011479040238 ~1989
239528995748695779 ~1991
23953703479074078 ~1989
23953931479078638 ~1989
23954123479082478 ~1989
23954279479085598 ~1989
Exponent Prime Factor Digits Year
23954519479090398 ~1989
23954699479093998 ~1989
239549771437298639 ~1990
23955731479114638 ~1989
23956703479134078 ~1989
23956763479135278 ~1989
23957159479143198 ~1989
23957723479154478 ~1989
239592192395921919 ~1990
23959283479185678 ~1989
23960291479205838 ~1989
23960591479211838 ~1989
23961263479225278 ~1989
239614791916918339 ~1990
23961503407345551110 ~1993
239619971437719839 ~1990
239623971437743839 ~1990
23962811479256238 ~1989
239628591917028739 ~1990
239630035751120739 ~1991
23963063479261278 ~1989
23963099479261998 ~1989
23963111479262238 ~1989
239639171437835039 ~1990
23964071479281438 ~1989
Exponent Prime Factor Digits Year
23964119479282398 ~1989
23964431479288638 ~1989
23964779479295598 ~1989
239647931437887599 ~1990
23966303479326078 ~1989
239665131437990799 ~1990
23966699479333998 ~1989
23967011479340238 ~1989
23967143479342878 ~1989
23967803479356078 ~1989
239678035752272739
23968739479374798 ~1989
23968751479375038 ~1989
23968811479376238 ~1989
239689573835033139 ~1991
23968979479379598 ~1989
23969171479383438 ~1989
239693571438161439 ~1990
23969411479388238 ~1989
23969531479390638 ~1989
23970179479403598 ~1989
23970491479409838 ~1989
23970911479418238 ~1989
23970959479419198 ~1989
239713071917704579 ~1990
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25-05-04