Factor Info

ID 151623
Size 1158 digits / 3847 bits
Status composite
Value 642911581770684369331622988214730069883734156420274877140560575998641874794093487744180296318542913678024966284393627085843868807013384894101734685851177540468388955060173829097951290903854867339369286399266185889133903220498402540266108447402769737740650133257853784311388550130697810407523862441032485186553928174612851668282006946497383492417066259826701967370036194853917261654887388159654284382791228860057766211579985332977808804850027739398869667811949096281261367726899039492264748907773699963644808479138503034714071453156611337654847709397437117577821069802850180264629248960223136559347617793392869038093703468451484168267984905198457554027680091489991391898327381094171240934062805988276194334556390083512837715366659199798360851715145943962613347021161807081729386763017858530654299346225886762220577964953487444315380825244245262980240145869738666709516423046362425812635040459375435445088076213524270750618989033899004407070698176309937728490299167336282323672112180717914046465483152230958894915956637064613020768385745193852379813946696882962976626275640788393584951491884022401618340940967661320194455412900665834559417436587970963980083043

Factorizations

Primary (ID: 149666) 1385702521378303805293 (proven prime)
(ID: 151624) 463960750487200890295355670875523784160494152653585841136268971740699566662780546095127072961848028572774029661841843389244613673996766404399906977501610125701941843023196150454931967262838768425973642862554001816460832545909783635630389515157339607152825016945779489568983010149752291057430304662526991340144676816470670702816362446015946049437065707674547638090554407934035314216901246629367718677987402519563447141705992033857292675461813226615937460702289799656846758611226705784614120737930910379619782678594540893456358412806676900650315042274112764456929244933812203336902820368638217351520392545265986651929076605313161445367907552850387141933577478847843231860110810273669139662976922398563312596252341040640350952232134153074798677754936297548986039221885690262345911810395302455915764125669281952914965896729306298154134764614738591274125055646253639795018671119567896075234480128535662666390171971817805416133496440743992359855261011355101285255527559682256776367718159216707488540728049302229913639784846219751987710828984011168731256832656824045939686377952299901198346901195786911709674273045741916680620475518346666356751 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.