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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
1288213592577998 ~1982
128836177301677 ~1980
1288361103068898
128843925768797 ~1979
1288543438104638 ~1982
128864325772877 ~1979
128879925775997 ~1979
1288829103106338 ~1980
1288829412425298
1288919232005438 ~1981
1288921206227378 ~1981
128921377352797 ~1980
128923125784637 ~1979
1289261103140898 ~1980
128933377359997 ~1980
1289401346333108710 ~1986
128942325788477 ~1979
1289423541557678
1289447103155778 ~1980
128953125790637 ~1979
1289531103162498
1289747103179778 ~1980
12897491831443599 ~1983
1289867103189378 ~1980
1290019129001918 ~1980
Exp. Prime Factor Digits Year
1290031129003118 ~1980
129007777404637 ~1980
129008325801677 ~1979
1290083541834878
129014325802877 ~1979
1290143309634338
129020325804077 ~1979
1290379129037918 ~1980
1290503412960978 ~1982
129053925810797 ~1979
1290539103243138
129068325813677 ~1979
129079125815837 ~1979
1290857103268578 ~1980
1290869309808578 ~1981
129092325818477 ~1979
129107925821597 ~1979
1291079232394238
12910791032863219
1291117593913838 ~1982
1291177593941438 ~1982
129127125825437 ~1979
129134325826877 ~1979
1291357619851378 ~1982
1291387516554818 ~1982
Exp. Prime Factor Digits Year
1291421103313698 ~1980
1291669387500718 ~1982
1291691103335298 ~1980
1291691335839678
129188325837677 ~1979
129193125838637 ~1979
129226177535677 ~1980
129233925846797 ~1979
1292597387779118 ~1982
129263925852797 ~1979
1292789180990478 ~1981
12929712172191299 ~1983
129317925863597 ~1979
129325125865037 ~1979
1293613310467138 ~1981
1293797181131598 ~1981
1293869181141678 ~1981
129392325878477 ~1979
1293923414055378
1293947103515778 ~1980
1293961207033778 ~1981
1293967439948798 ~1982
12939671138690979
129397777638637 ~1980
129398325879677 ~1979
Exp. Prime Factor Digits Year
1294039310569378 ~1981
12941291138833539 ~1983
129425377655197 ~1980
129457125891437 ~1979
12947593107421619 ~1984
1295057181307998 ~1981
1295071233112798 ~1981
1295113388533918 ~1982
129521925904397 ~1979
1295299518119618 ~1982
129531777719037 ~1980
12953391165805119 ~1983
1295347129534718 ~1980
129537777722637 ~1980
1295653285043678 ~1981
1295849103667938 ~1980
1295869699769278 ~1982
1295953596138398 ~1982
12960111036808819 ~1983
12960371944055519 ~1983
129605925921197 ~1979
129610177766077 ~1980
129614325922877 ~1979
12962271866566899 ~1983
129662325932477 ~1979
288
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25-04-13