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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
3221453451003438 ~1984
3221717193303038 ~1983
322181964436397 ~1982
322195164439037 ~1982
32219711546546099 ~1985
3222031322203118 ~1984
3222059257764738 ~1983
322208364441677 ~1982
3222187579993678 ~1984
32223011546704499 ~1985
3222337193340238 ~1983
3222551580059198 ~1984
3222629257810338 ~1983
3222689257815138 ~1983
3222689966806718
32227631289105219 ~1985
3222859773486178 ~1984
32228831095780239 ~1985
3222937515669938 ~1984
32229912900691919 ~1986
32230071547043379 ~1985
3223061257844898 ~1983
322307964461597 ~1982
3223153193389198 ~1983
3223481193408878 ~1983
Exp. Prime Factor Digits Year
3223541193412478 ~1983
32235671869668879 ~1985
3223687322368718 ~1984
3223793193427598 ~1983
3223799257903938 ~1983
322391964478397 ~1982
322399164479837 ~1982
322405164481037 ~1982
3224051257924098
322415964483197 ~1982
3224461709381438 ~1984
322472364494477 ~1982
3224833709463278 ~1984
3224909257992738 ~1983
3224929709484398 ~1984
3225073193504398 ~1983
3225139322513918 ~1984
322514364502877 ~1982
3225151516024178 ~1984
32253733031850639 ~1986
3225749451604878 ~1984
322577964515597 ~1982
32257931483864799 ~1985
3225821258065698 ~1983
32258232129043199 ~1986
Exp. Prime Factor Digits Year
3225841193550478 ~1983
3225841709685038
32259492838835139 ~1986
3226031258082498 ~1983
3226151258092098 ~1983
322634364526877 ~1982
322640364528077 ~1982
3226499258119938 ~1983
3226499774359778
322663164532637 ~1982
32266492323187299 ~1986
3226781258142498 ~1983
3226843516294898 ~1984
3226871258149698 ~1983
3226891322689118 ~1984
3227009451781278 ~1984
322703964540797 ~1982
32270412839796099 ~1986
322721964544397 ~1982
3227221968166318 ~1985
3227423774581538 ~1984
3227431516388978 ~1984
3227597258207778 ~1983
3227761710107438 ~1984
322777164555437 ~1982
Exp. Prime Factor Digits Year
3227827516452338 ~1984
3227849258227938 ~1983
3227897451905598 ~1984
322814364562877 ~1982
3228151322815118 ~1984
322819164563837 ~1982
3228341193700478 ~1983
3228439322843918 ~1984
322844364568877 ~1982
3228517193711038 ~1983
3228581193714878 ~1983
3228593452003038 ~1984
3228733193723998 ~1983
3228739322873918 ~1984
322909164581837 ~1982
32292671291706819 ~1985
3229321193759278 ~1983
3229517258361378 ~1983
3229531322953118 ~1984
3229573193774398 ~1983
322970364594077 ~1982
3229769775144578 ~1984
32299372777745839 ~1986
323009964601997 ~1982
3230113516818098 ~1984
538
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26-03-08