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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
4305241258314478 ~1984
4305281344422498 ~1984
43055275511074579 ~1987
4305661258339678 ~1984
430601986120397 ~1983
4306061344484898 ~1984
4306109344488738 ~1984
430619986123997 ~1983
43062831378010579 ~1986
4306447430644718 ~1984
4306801689088178 ~1985
430681186136237 ~1983
4306811344544898
4306889602964478 ~1985
430697986139597 ~1983
4307041258422478 ~1984
430748386149677 ~1983
43075071033801699 ~1985
4307557258453438 ~1984
4307701258462078 ~1984
430771186154237 ~1983
43077311809247039 ~1986
430793986158797 ~1983
43080475514300179 ~1987
4308097258485838 ~1984
Exp. Prime Factor Digits Year
4308173258490398 ~1984
4308217258493038 ~1984
430826386165277 ~1983
43086371292591119 ~1986
4308677344694178 ~1984
43087271462381943911 ~1991
4308989603258478 ~1985
4309001258540078 ~1984
430904386180877 ~1983
430916386183277 ~1983
430939186187837 ~1983
43094512068536499 ~1986
430949986189997 ~1983
430958386191677 ~1983
43095831034299939
4309673603354238 ~1985
4309841258590478 ~1984
4309861258591678 ~1984
4310441344835298 ~1984
4310563689690098 ~1985
43105631034535139
431096386219277 ~1983
431101186220237 ~1983
43115291293458719 ~1986
431155186231037 ~1983
Exp. Prime Factor Digits Year
4311871431187118 ~1984
431207986241597 ~1983
4312181258730878 ~1984
4312261948697438 ~1985
4312267431226718 ~1984
43122791252285821711 ~1991
431240386248077 ~1983
4312447776240478 ~1985
431249986249997 ~1983
431255986251197 ~1983
431263186252637 ~1983
431273986254797 ~1983
4313191690110578 ~1985
4313669345093538 ~1984
4313797258827838 ~1984
431381986276397 ~1983
4313849345107938 ~1984
4314059345124738 ~1984
43141818283227539 ~1988
4314217258853038 ~1984
4314293258857598 ~1984
431467186293437 ~1983
4314701258882078 ~1984
431483986296797 ~1983
431491186298237 ~1983
Exp. Prime Factor Digits Year
4315097258905838 ~1984
431537986307597 ~1983
43154695523800339 ~1987
4315529345242338 ~1984
4315757604205998 ~1985
431579986315997 ~1983
4315873690539698 ~1985
4315991345279298 ~1984
431605186321037 ~1983
4316159345292738 ~1984
4316231345298498 ~1984
4316251776925198 ~1985
43164612071901299 ~1986
4316789604350478 ~1985
4316891345351298 ~1984
43168913885201919
4317107345368578 ~1984
4317127777082878 ~1985
43171271036110499
431719186343837 ~1983
431725186345037 ~1983
43175171295255119 ~1986
4317667431766718 ~1984
4317821259069278 ~1984
4317889120900892110 ~1988
621
GIMPS The Prime Pages FactorDb.com
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25-05-04