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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
375221975044397 ~1982
3752261225135678 ~1983
375235175047037 ~1982
375253175050637 ~1982
3752921300233698 ~1984
3752923375292318 ~1984
375314375062877 ~1982
3753179675572238 ~1985
3753457600553138 ~1985
375355175071037 ~1982
3753643375364318 ~1984
3753839300307138 ~1984
3754349525608878 ~1984
375451175090237 ~1982
375482375096477 ~1982
3754981225298878 ~1983
375518375103677 ~1982
375524375104877 ~1982
3755383600861298 ~1985
3755459901310178 ~1985
3755729525802078 ~1984
37557531126725919 ~1985
375602375120477 ~1982
375605975121197 ~1982
3756161300492898 ~1984
Exp. Prime Factor Digits Year
3756209300496738 ~1984
375629975125997 ~1982
3756581225394878 ~1983
3756617225397038 ~1983
3756667375666718 ~1984
375667175133437 ~1982
3756793601086898 ~1985
375683975136797 ~1982
37570691127120719 ~1985
3757157300572578 ~1984
375716375143277 ~1982
37572071277450399 ~1985
3757331300586498 ~1984
375757175151437 ~1982
3757673225460398 ~1983
375770375154077 ~1982
3757807601249138 ~1985
375781175156237 ~1982
375782375156477 ~1982
3757933225475998 ~1983
3758017901924098 ~1985
3758189526146478 ~1984
3758537225512238 ~1983
3758611375861118 ~1984
3758639676555038 ~1985
Exp. Prime Factor Digits Year
3758693526217038 ~1984
375901175180237 ~1982
3759011300720898
3759053225543198 ~1983
375925175185037 ~1982
37594392706796099 ~1986
3759527300762178 ~1984
375961175192237 ~1982
3759713225582798 ~1983
375985175197037 ~1982
376010375202077 ~1982
376028375205677 ~1982
3760319676857438 ~1985
3760357601657138 ~1985
376087175217437 ~1982
3760973225658398 ~1983
3761027300882178 ~1984
3761117300889378 ~1984
37612031278809039 ~1985
37613937748469599 ~1987
376142375228477 ~1982
3761507902761698 ~1985
3761707376170718 ~1984
3761707601873138
3761713827576878 ~1985
Exp. Prime Factor Digits Year
3761801300944098 ~1984
3761897225713838 ~1983
376196375239277 ~1982
3762007902881698 ~1985
3762173225730398 ~1983
3762349902963778 ~1985
376235975247197 ~1982
3762601225756078 ~1983
376262375252477 ~1982
37626232107068899
376268375253677 ~1982
3762701225762078 ~1983
376291175258237 ~1982
3762911301032898
3763141602102578 ~1985
3763169301053538 ~1984
3763633225817998 ~1983
3763757301100578 ~1984
37638135118785699 ~1987
37638614441355999 ~1987
376400375280077 ~1982
3764239376423918 ~1984
376430375286077 ~1982
376433975286797 ~1982
376439975287997 ~1982
571
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25-05-04