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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
19446299388925998 ~1988
19446611388932238 ~1988
19446659388933198 ~1988
194466771555734179 ~1989
194468571555748579 ~1989
194468598167680799 ~1991
19447283388945678 ~1988
19448339388966798 ~1988
19448519388970398 ~1988
194490431944904319 ~1990
19449151595144020710 ~1993
19449203388984078 ~1988
19449239388984798 ~1988
194502796613094879 ~1991
19450451389009038 ~1988
19450811389016238 ~1988
19451903389038078 ~1988
194520011167120079 ~1989
19452203389044078 ~1988
194523371167140239 ~1989
19452623389052478 ~1988
19453019389060398 ~1988
19453211389064238 ~1988
19453223389064478 ~1988
194539011167234079 ~1989
Exponent Prime Factor Digits Year
194539211431808585711 ~1994
19453979389079598 ~1988
19454219389084398 ~1988
19454843389096878 ~1988
194552231945522319 ~1990
19455239389104798 ~1988
19455389151752034310 ~1992
19455503389110078 ~1988
19455659389113198 ~1988
19455851389117038 ~1988
19455959389119198 ~1988
19456103389122078 ~1988
19456439389128798 ~1988
19456571389131438 ~1988
19456583389131678 ~1988
194566011167396079 ~1989
19456991389139838 ~1988
194572793502310239 ~1990
194578611167471679 ~1989
19458083389161678 ~1988
194581633113306099 ~1990
19459259389185198 ~1988
19459283389185678 ~1988
19459571389191438 ~1988
19459691389193838 ~1988
Exponent Prime Factor Digits Year
194609411167656479 ~1989
19460951389219038 ~1988
19461119389222398 ~1988
194611573113785139 ~1990
19461191389223838 ~1988
194613891556911139 ~1989
19462463389249278 ~1988
19463519389270398 ~1988
19463579389271598 ~1988
194645811167874879 ~1989
19465031389300638 ~1988
19465079389301598 ~1988
19465223389304478 ~1988
19465643389312878 ~1988
19466159389323198 ~1988
194665971557327779 ~1989
194666331167997999 ~1989
19466663389333278 ~1988
194668571168011439 ~1989
19467011389340238 ~1988
194671274672110499 ~1991
19467263389345278 ~1988
19467443389348878 ~1988
194677573114841139 ~1990
194685711557485699 ~1989
Exponent Prime Factor Digits Year
194687211168123279 ~1989
19468811389376238 ~1988
19468931389378638 ~1988
19469771389395438 ~1988
194698371168190239 ~1989
19470323389406478 ~1988
19470533155764264110 ~1992
194708092725913279 ~1990
19471619389432398 ~1988
19471631389432638 ~1988
19472111389442238 ~1988
19472291389445838 ~1988
194724131168344799 ~1989
194728011168368079 ~1989
19472903389458078 ~1988
19473131389462638 ~1988
19473719327158479310 ~1993
194737391947373919 ~1990
194739131168434799 ~1989
19474271389485438 ~1988
19474883389497678 ~1988
19474991389499838 ~1988
19475003389500078 ~1988
19475243389504878 ~1988
19475699389513998 ~1988
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25-05-04