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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
2629073157744398 ~1982
2629091683563678 ~1984
262922352584477 ~1981
26293692050907839 ~1985
262949952589997 ~1981
2629547631091298 ~1984
2629591262959118 ~1983
262970352594077 ~1981
2629763631143138 ~1984
262981152596237 ~1981
2629853157791198 ~1982
262994352598877 ~1981
263033952606797 ~1981
263039952607997 ~1981
263047152609437 ~1981
26304776470973439 ~1986
2630707473527278 ~1983
26307431104912079 ~1984
2630879473558238 ~1983
263089152617837 ~1981
263107152621437 ~1981
263117952623597 ~1981
2631221157873278 ~1982
2631271473628798 ~1983
2631337157880238 ~1982
Exp. Prime Factor Digits Year
2631457157887438 ~1982
2631527473674878 ~1983
2631529631566978 ~1984
2631679473702238 ~1983
263173152634637 ~1981
2631989368478478 ~1983
2632037368485198 ~1983
2632067210565378 ~1983
2632151210572098 ~1983
26322193421884719 ~1986
2632429579134398 ~1984
2632573789771918 ~1984
2632579263257918 ~1983
2632657157959438 ~1982
263269152653837 ~1981
26327234844210339 ~1986
26327813317304079 ~1986
2632919842534098 ~1984
2633173421307698 ~1983
2633219210657538 ~1983
263339952667997 ~1981
263348352669677 ~1981
26335312106824819 ~1985
263363952672797 ~1981
2633651684749278 ~1984
Exp. Prime Factor Digits Year
2633749632099778 ~1984
263378352675677 ~1981
263383152676637 ~1981
26338571264251379 ~1985
263447952689597 ~1981
263453952690797 ~1981
2634539632289378
2634607474229278 ~1983
2634613158076798 ~1982
263462352692477 ~1981
263474352694877 ~1981
263483952696797 ~1981
2634943263494318 ~1983
263501952700397 ~1981
2635057158103438 ~1982
2635057421609138
2635387421661938 ~1983
26353871054154819
2635487210838978 ~1983
2635693579852478 ~1984
2635877158152638 ~1982
2635949210875938 ~1983
2636021843526738 ~1984
26361711107191839 ~1984
2636407421825138 ~1983
Exp. Prime Factor Digits Year
263666352733277 ~1981
2636663685532398
2636759474616638 ~1983
2636779632826978 ~1984
2636813369153838 ~1983
263683152736637 ~1981
2636831474629598
2636857791057118 ~1984
2636917632860098 ~1984
2636983263698318 ~1983
2637001158220078 ~1982
263708352741677 ~1981
2637133158227998 ~1982
2637493158249598 ~1982
263753952750797 ~1981
2637763422042098 ~1983
2637797211023778 ~1983
2637997158279838 ~1982
263819952763997 ~1981
2638271685950478 ~1984
263840352768077 ~1981
2638579263857918 ~1983
2638589369402478 ~1983
2638607633265698 ~1984
2639041422246578 ~1983
469
GIMPS The Prime Pages FactorDb.com
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26-01-11