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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
12602281756136878 ~1988
126026511008212099 ~1988
126027473276714239 ~1989
12602951252059038 ~1986
126029871008238979 ~1988
12603133756187998 ~1988
126031332016501299
126034971008279779 ~1988
126037275041490819 ~1990
12604451252089038 ~1986
12604561756273678 ~1988
12604703252094078 ~1986
126048291764676079 ~1989
126049576806676799 ~1990
12605137756308238 ~1988
12605591252111838 ~1986
12605783252115678 ~1986
126061272269102879 ~1989
12606383252127678 ~1986
12606563252131278 ~1986
12607043252140878 ~1986
126071591260715919 ~1988
12607379252147598 ~1986
12607403252148078 ~1986
12607559252151198 ~1986
Exponent Prime Factor Digits Year
126075593025814179
12607631252152638 ~1986
12607823252156478 ~1986
126078312017252979 ~1989
12608171252163438 ~1986
12608371726242169710 ~1992
12609323252186478 ~1986
126093672995985599311 ~1994
12609659252193198 ~1986
12609731252194638 ~1986
12610079252201598 ~1986
12610151252203038 ~1986
12610201756612078 ~1988
126102012017632179
126104412017670579 ~1989
12610511252210238 ~1986
12610517756631038 ~1988
12610861756651678 ~1988
12610919252218398 ~1986
12611051252221038 ~1986
12611353756681198 ~1988
12611363252227278 ~1986
12611471252229438 ~1986
12611519252230398 ~1986
126118312270129599 ~1989
Exponent Prime Factor Digits Year
12612001756720078 ~1988
12612311252246238 ~1986
126123432017974899 ~1989
12612503252250078 ~1986
12612791252255838 ~1986
12612851252257038 ~1986
12612959252259198 ~1986
126131715297531839 ~1990
126135671261356719 ~1988
1261356766430611962312
12613619252272398 ~1986
12613871252277438 ~1986
126144171009153379 ~1988
12614639252292798 ~1986
12614963252299278 ~1986
12614999252299998 ~1986
12615191252303838 ~1986
12615611252312238 ~1986
126156536812452639 ~1990
12615923252318478 ~1986
12616739252334798 ~1986
126168431261684319 ~1988
12616979252339598 ~1986
126170711261707119 ~1988
12617219252344398 ~1986
Exponent Prime Factor Digits Year
126173574794595679 ~1990
12617771252355438 ~1986
126179211009433699 ~1988
12618323252366478 ~1986
126185691009485539 ~1988
12618803252376078 ~1986
12619421757165278 ~1988
12619643252392878 ~1986
12620561757233678 ~1988
12620603252412078 ~1986
12620963252419278 ~1986
12621659252433198 ~1986
126216714038934739 ~1989
126217315301127039 ~1990
12621877757312638 ~1988
126219111009752899 ~1988
12621977757318638 ~1988
12622079252441598 ~1986
12622979252459598 ~1986
12623077757384638 ~1988
12623981464562500910 ~1992
12624617757477038 ~1988
126247491009979939 ~1988
12624791252495838 ~1986
12625043252500878 ~1986
1194
GIMPS The Prime Pages FactorDb.com
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26-01-11