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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
1274759407922898 ~1982
1274759611884338
127487925497597 ~1979
1274879943410478
127493925498797 ~1979
1275107331527838 ~1981
12751074590385219
127520325504077 ~1979
12753191122280739 ~1983
12753611913041519 ~1983
127553925510797 ~1979
1275553204088498 ~1981
127556325511277 ~1979
1275583535744878 ~1982
127561125512237 ~1979
1275737382721118 ~1982
1275751229635198 ~1981
127577925515597 ~1979
127580325516077 ~1979
12759731301492479 ~1983
127600176560077 ~1980
1276039229687038 ~1981
1276129306270978 ~1981
1276271408406738 ~1982
1276307102104578 ~1980
Exp. Prime Factor Digits Year
127639776583837 ~1980
1276409408450898 ~1982
12766311021304819 ~1983
127676325535277 ~1979
1276763536240478
12767631149086719
1276777204284338 ~1981
1276897204303538 ~1981
12768971506738479
1276903919370178 ~1982
1276999817279378 ~1982
1277099102167938 ~1980
12772091507106639 ~1983
127732176639277 ~1980
127747776648637 ~1980
1277477178846798
1277593383277918 ~1982
127765125553037 ~1979
1277743127774318 ~1980
127781925556397 ~1979
127818176690877 ~1980
1278181281199838
1278209102256738 ~1980
1278209409026898
1278371102269698 ~1980
Exp. Prime Factor Digits Year
127841925568397 ~1979
1278463818216338 ~1982
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
Exp. Prime Factor Digits Year
127991925598397 ~1979
127993125598637 ~1979
1280101281622238 ~1981
128014176808477 ~1980
128018325603677 ~1979
1280221281648638 ~1981
1280267102421378 ~1980
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
1281667820266898 ~1982
12818711435695539 ~1983
1281941102555298 ~1980
128197125639437 ~1979
12820311538437219 ~1983
286
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25-04-13