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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
184499532951992499 ~1990
184503731107022399 ~1989
184505871476046979 ~1989
18450599369011998 ~1988
18450671369013438 ~1988
18451019369020398 ~1988
184517534428420739 ~1990
184517579963948799 ~1991
184519494428467779 ~1990
18452243369044878 ~1988
18452723369054478 ~1988
184528972583405599 ~1990
18453023369060478 ~1988
18453419369068398 ~1988
18453443369068878 ~1988
18454031369080638 ~1988
18454361236215820910 ~1992
18454451369089038 ~1988
18454883369097678 ~1988
18455159369103198 ~1988
18455219369104398 ~1988
18455603369112078 ~1988
18455639369112798 ~1988
184556511476452099 ~1989
18455903369118078 ~1988
Exponent Prime Factor Digits Year
184562471845624719 ~1989
184569131107414799 ~1989
184569676275368799 ~1991
18457199369143998 ~1988
184577572584085999 ~1990
18457823369156478 ~1988
18457871369157438 ~1988
18458603369172078 ~1988
184587111476696899 ~1989
18458831369176638 ~1988
18458963369179278 ~1988
18459071369181438 ~1988
18459191369183838 ~1988
18459971369199438 ~1988
184599711476797699
18460499369209998 ~1988
184606991846069919 ~1989
18460919369218398 ~1988
18461123369222478 ~1988
18461519369230398 ~1988
184617011107702079 ~1989
18462011369240238 ~1988
184620471476963779 ~1989
18462131369242638 ~1988
184624217384968419 ~1991
Exponent Prime Factor Digits Year
184626073323269279 ~1990
184627611477020899 ~1989
184637211107823279 ~1989
18464051369281038 ~1988
18464123369282478 ~1988
184645739970869439 ~1991
18464783369295678 ~1988
18465263369305278 ~1988
184658713323856799 ~1990
184660391846603919 ~1989
18466391369327838 ~1988
18466559369331198 ~1988
18466691369333838 ~1988
184667171108003039 ~1989
184667713324018799 ~1990
184667831846678319 ~1989
18467063369341278 ~1988
184673692585431679 ~1990
184675871846758719 ~1989
18467843369356878 ~1988
184681611477452899 ~1989
184682571477460579 ~1989
18468419369368398 ~1988
18468431369368638 ~1988
184688415540652319 ~1991
Exponent Prime Factor Digits Year
18468899369377998 ~1988
18469151369383038 ~1988
18469499369389998 ~1988
18470051369401038 ~1988
18470339369406798 ~1988
18470519369410398 ~1988
184711131108266799 ~1989
18471143369422878 ~1988
18471539369430798 ~1988
184718211108309279 ~1989
18472511369450238 ~1988
18472859369457198 ~1988
18473219369464398 ~1988
18473699369473998 ~1988
18473879369477598 ~1988
18474119369482398 ~1988
18474143369482878 ~1988
18474191369483838 ~1988
184745571108473439 ~1989
18474719369494398 ~1988
18474779369495598 ~1988
18475403369508078 ~1988
18475511369510238 ~1988
18476411369528238 ~1988
184766931108601599 ~1989
1365
GIMPS The Prime Pages FactorDb.com
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25-05-04