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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
4387633263257998 ~1984
438770387754077 ~1983
4387769351021538 ~1984
438793187758637 ~1983
4388333614366638 ~1985
438865187773037 ~1983
4388779438877918 ~1985
4388869136054939110 ~1988
438908387781677 ~1983
438919187783837 ~1983
43892233160240579 ~1987
438926387785277 ~1983
4389269351141538 ~1984
4389367438936718 ~1985
4389523702323698 ~1985
4389611351168898 ~1984
4389821351185698 ~1984
438985187797037 ~1983
438997187799437 ~1983
4389977614596798 ~1985
43900731404823379 ~1986
439009187801837 ~1983
4390093965820478 ~1985
4390117263407038 ~1984
4390219439021918 ~1985
Exp. Prime Factor Digits Year
4390237263414238 ~1984
43903271053678499 ~1986
4390433263425998 ~1984
4390657263439438 ~1984
439070387814077 ~1983
4390937263456238 ~1984
43910031053840739 ~1986
4391041966029038 ~1985
439106387821277 ~1983
4391323439132318 ~1985
4391393263483598 ~1984
439148387829677 ~1983
439159187831837 ~1983
4391609614825278 ~1985
4391617263497038 ~1984
4391657263499438 ~1984
4391857702697138 ~1985
4391953263517198 ~1984
439211987842397 ~1983
4392119351369538
439220387844077 ~1983
4392313966308878 ~1985
4392317614924398 ~1985
4392433263545998 ~1984
4392433966335278
Exp. Prime Factor Digits Year
439261187852237 ~1983
4392719351417538 ~1984
4392811439281118 ~1985
4393063439306318 ~1985
4393127351450178 ~1984
4393153263589198 ~1984
43932471142244239 ~1986
439327187865437 ~1983
439345187869037 ~1983
439364387872877 ~1983
439375187875037 ~1983
4393853263631198 ~1984
439391987878397 ~1983
4394023439402318 ~1985
4394297263657838 ~1984
439430387886077 ~1983
4394617263677038 ~1984
439463987892797 ~1983
4394827439482718 ~1985
439484387896877 ~1983
4395379791168238 ~1985
439555187911037 ~1983
439562387912477 ~1983
4395869615421678 ~1985
4396001351680098 ~1984
Exp. Prime Factor Digits Year
4396003439600318 ~1985
4396411439641118 ~1985
439658387931677 ~1983
43965831143111599
4396633263797998 ~1984
439664387932877 ~1983
4396681263800878 ~1984
439675187935037 ~1983
439681187936237 ~1983
43969072110515379 ~1986
439691987938397 ~1983
4396937263816238 ~1984
4397023703523698 ~1985
43970691055296579 ~1986
43973891055373379 ~1986
439766387953277 ~1983
43976772110884979 ~1986
4397893263873598 ~1984
4397909351832738 ~1984
4397969615715678 ~1985
4398011791641998 ~1985
4398131351850498 ~1984
439814387962877 ~1983
439823987964797 ~1983
439826387965277 ~1983
656
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26-05-10