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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
1860059148804738 ~1981
186017937203597 ~1980
1860251148820098 ~1981
1860301111618078 ~1981
1860431334877598 ~1982
1860479148838338 ~1981
18606291451290639 ~1984
18607092083994099 ~1984
1860721111643278 ~1981
186073137214637 ~1980
18607631190888339 ~1984
1860799186079918 ~1982
18608931786457299 ~1984
186092337218477 ~1980
186101937220397 ~1980
1861033297765298 ~1982
186110337222077 ~1980
1861253260575438 ~1982
18613514318334339 ~1985
186151137230237 ~1980
1861621297859378 ~1982
1861697893614578 ~1983
18616972792545519
1861709260639278 ~1982
1861747335114478 ~1982
Exp. Prime Factor Digits Year
186185937237197 ~1980
1861889148951138 ~1981
1861889446853378
18618971005424399 ~1983
1861921409622638 ~1983
18620172346141439 ~1984
1862033111721998 ~1981
186211137242237 ~1980
1862111484148878
186221937244397 ~1980
1862219335199438
186227937245597 ~1980
1862297111737838 ~1981
186241137248237 ~1980
1862519149001538 ~1981
1862687335283678 ~1982
1862687447044898
18626873613612799
186289137257837 ~1980
1862923186292318 ~1982
1863089707973838 ~1983
1863097298095538 ~1982
1863307894387378 ~1983
186337137267437 ~1980
1863403633557038 ~1983
Exp. Prime Factor Digits Year
1863413111804798 ~1981
1863461559038318 ~1983
1863473111808398 ~1981
1863481298156978 ~1982
1863517111811038 ~1981
1863593447262338 ~1983
186373137274637 ~1980
18637691006435279 ~1983
1863779335480238 ~1982
1863811186381118 ~1982
1863853410047678 ~1983
1863913111834798 ~1981
186392337278477 ~1980
1863971149117698 ~1981
186415137283037 ~1980
1864253260995438 ~1982
1864391149151298 ~1981
1864517149161378 ~1981
1864559783114798 ~1983
1864567298330738 ~1982
1864601111876078 ~1981
1864649149171938 ~1981
1864871335676798 ~1982
1864879745951618 ~1983
186497937299597 ~1980
Exp. Prime Factor Digits Year
1865011186501118 ~1982
1865023186502318 ~1982
1865069149205538 ~1981
1865081708730798 ~1983
1865081130928686310
1865147335726478 ~1982
186515937303197 ~1980
1865161298425778 ~1982
1865263186526318 ~1982
186539937307997 ~1980
1865399335771838
186541137308237 ~1980
1865527186552718 ~1982
186560337312077 ~1980
1865609149248738 ~1981
1865687149254978 ~1981
1865827746330818 ~1983
1865863186586318 ~1982
1865881410493838 ~1983
1865893298542898 ~1982
186608337321677 ~1980
1866131149290498 ~1981
186619137323837 ~1980
18662111343671939 ~1984
186623937324797 ~1980
377
GIMPS The Prime Pages FactorDb.com
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26-03-29