Home e-mail
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
12767631149086719
1276777204284338 ~1981
1276897204303538 ~1981
12768971506738479
1276903919370178 ~1983
1276999817279378 ~1982
1277099102167938 ~1980
12772091507106639 ~1983
127732176639277 ~1980
127747776648637 ~1980
1277477178846798
1277593383277918 ~1982
12776291430944499 ~1983
127765125553037 ~1979
1277743127774318 ~1980
127781925556397 ~1979
12781311636007699 ~1983
127818176690877 ~1980
1278181281199838
1278209102256738 ~1980
1278209409026898
1278371102269698 ~1980
1278371639185518
127841925568397 ~1979
1278463818216338 ~1982
Exp. Prime Factor Digits Year
1278479230126238 ~1981
1278479536961198
12787211304295439 ~1983
1278817997477278 ~1983
1278839613842738 ~1982
127885776731437 ~1980
1278881102310498 ~1980
127891125578237 ~1979
127898325579677 ~1979
1278983332535598
1279171204667378 ~1981
1279177614004978 ~1982
1279193409341778 ~1982
127931925586397 ~1979
1279357383807118 ~1982
1279417383825118 ~1982
1279427230296878 ~1981
1279511409443538 ~1982
1279627127962718 ~1980
127964325592877 ~1979
1279661102372898 ~1980
1279727102378178 ~1980
1279787102382978 ~1980
127991925598397 ~1979
127993125598637 ~1979
Exp. Prime Factor Digits Year
1280101281622238 ~1981
128014176808477 ~1980
128018325603677 ~1979
1280221281648638 ~1981
1280267102421378 ~1980
12802811305886639 ~1983
128029125605837 ~1979
12802971101055439 ~1983
1280317614552178 ~1982
1280473691455438 ~1982
128056176833677 ~1980
128059776835837 ~1980
128073776844237 ~1980
1280857589194238 ~1982
128108325621677 ~1979
1281187743088478 ~1982
1281193307486338 ~1981
1281439512575618 ~1982
128150325630077 ~1979
1281551845823678 ~1982
1281653692092638 ~1982
1281667820266898 ~1982
12818711435695539 ~1983
1281941102555298 ~1980
128197125639437 ~1979
Exp. Prime Factor Digits Year
12820311538437219 ~1983
1282069307696578 ~1981
128213376927997 ~1980
128216325643277 ~1979
1282261512904418 ~1982
1282279307746978 ~1981
1282297820670098 ~1982
128238176942877 ~1980
1282469384740718 ~1982
1282471538637838 ~1982
128249925649997 ~1979
128251125650237 ~1979
1282517179552398 ~1981
1282817102625378 ~1980
1282907641453518 ~1982
1282969615825138 ~1982
1283011513204418 ~1982
1283027102642178 ~1980
1283027307926498
128306325661277 ~1979
128309925661997 ~1979
1283099230957838
128333925666797 ~1979
1283389693030078 ~1982
1283441102675298 ~1980
297
GIMPS The Prime Pages FactorDb.com
Home
5.680.769 digits 		e-mail
26-07-05