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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
1952567156205378 ~1982
1952627507683038 ~1983
1952641585792318 ~1983
195266339053277 ~1980
1952813117168798 ~1981
1952887195288718 ~1982
195293939058797 ~1980
1952939156235138
1953101117186078 ~1981
19531091718735939 ~1984
1953277117196638 ~1981
195329939065997 ~1980
19532991967753412711
1953383976691518 ~1984
1953451937656498 ~1983
1953509156280738 ~1982
1953617273506398 ~1982
1953767468904098 ~1983
1953821117229278 ~1981
195386339077277 ~1980
1954033117241998 ~1981
195434339086877 ~1980
19543431094432099
1954489469077378 ~1983
1954543469090338 ~1983
Exp. Prime Factor Digits Year
1954613117276798 ~1981
1954627195462718 ~1982
195467939093597 ~1980
1954691156375298 ~1982
1954709156376738 ~1982
1954709273659278
195476339095277 ~1980
1954987469196898 ~1983
195518339103677 ~1980
1955203821185278 ~1983
1955251312840178 ~1982
195527939105597 ~1980
1955279977639518
1955417117325038 ~1981
1955531156442498 ~1982
195554339110877 ~1980
1955671821381838 ~1983
195571139114237 ~1980
195577139115437 ~1980
195593939118797 ~1980
1955959665026078 ~1983
1956029586808718 ~1983
19562874264705679 ~1985
195632339126477 ~1980
195635939127197 ~1980
Exp. Prime Factor Digits Year
1956583195658318 ~1982
195659939131997 ~1980
1956631782652418 ~1983
1956637117398238 ~1981
19566672230600399 ~1984
1956761117405678 ~1981
1956793117407598 ~1981
1956793313086898
1957013117420798 ~1981
1957037156562978 ~1982
1957049156563938 ~1982
195739139147837 ~1980
1957469156597538 ~1982
1957477313196338 ~1982
195752339150477 ~1980
195758339151677 ~1980
19576391252888979 ~1984
1957799156623938 ~1982
1957801313248178 ~1982
195785939157197 ~1980
1958069587420718 ~1983
1958431195843118 ~1982
195853139170637 ~1980
1958557117513438 ~1981
19585633016187039 ~1985
Exp. Prime Factor Digits Year
195859139171837 ~1980
1958633117517998 ~1981
1958681117520878 ~1981
1958731313396978 ~1982
1958777156702178 ~1982
1958897156711778 ~1982
19590531057888639 ~1984
195917939183597 ~1980
1959179156734338
1959197274287598 ~1982
1959283195928318 ~1982
1959313117558798 ~1981
195937139187437 ~1980
195959939191997 ~1980
1959689274356478 ~1982
195973139194637 ~1980
1959751195975118 ~1982
1959967352794078 ~1982
19599731999172479 ~1984
1960183196018318 ~1982
1960213117612798 ~1981
196037939207597 ~1980
1960397117623838 ~1981
1960481156838498 ~1982
1960481941030898
377
GIMPS The Prime Pages FactorDb.com
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25-04-13