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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
23921063478421278 ~1989
239219172712745387911 ~1995
23921939478438798 ~1989
23922191478443838 ~1989
23922623478452478 ~1989
23922851478457038 ~1989
23922851306212492910
23922911478458238 ~1989
23923019478460398 ~1989
23923079478461598 ~1989
23923331478466638 ~1989
23923871478477438 ~1989
23924051478481038 ~1989
239241419091173599 ~1992
23924723478494478 ~1989
239249511913996099 ~1990
23925131478502638 ~1989
23925371478507438 ~1989
239256613828105779 ~1991
23925743478514878 ~1989
239260371914082979 ~1990
23926043478520878 ~1989
23926631478532638 ~1989
239270473828327539 ~1991
23927339478546798 ~1989
Exponent Prime Factor Digits Year
23928623478572478 ~1989
239295731435774399 ~1990
23929991478599838 ~1989
23930303478606078 ~1989
23930363478607278 ~1989
239312895743509379 ~1991
23931311478626238 ~1989
23931623478632478 ~1989
23931731478634638 ~1989
23931731363762311310
23931923478638478 ~1989
23931959478639198 ~1989
239319674307754079 ~1991
23932019478640398 ~1989
239320194307763439
239328771435972639 ~1990
23932943478658878 ~1989
23933303478666078 ~1989
239334171436005039 ~1990
23934863478697278 ~1989
23934899478697998 ~1989
23935139478702798 ~1989
23935679478713598 ~1989
23936651478733038 ~1989
23937191478743838 ~1989
Exponent Prime Factor Digits Year
23937299478745998 ~1989
23937443478748878 ~1989
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
Exponent Prime Factor Digits Year
23944859478897198 ~1989
23945951478919038 ~1989
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
1491
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24-10-27