Factor Info

ID 146358
Size 685 digits / 2274 bits
Status composite
Value 2551390271484984688359431625298092722697660138852740759004864015616221908765540025360920937200806233198579535902293303970911595125230772818638417203797323771756555534367490895156049568139910158567140197488114302057073825109497542504431665095207464439526342603451333350326503037395583885240431246304039795767058923679561173747971410999664383362226336196351707217296273288377798426607229790727518605353173864669391424047683602438546255410892158378433446504109801606057221032648576597956482732154688187895003196346974372117733807260472405340552179253347603599978532586891374149610889044235845029737017314441586403672796496718250926979683796820563602719323489976893687139702935214364708377

Factorizations

Primary (ID: 4402) 1981703105982814843334309489 (proven prime)
(ID: 146359) 1287473519006085729214413956855424944358617128529875099582730518971832252579330462116650858392331011344685809392715847516818887106071443089604709714033880531927329561412062921267875976334830638667864961613557923425187493910160022976488561938442972040053188097248982279072427926214024817720018704152202281402466285343580530336270732051169254290891213482929910256911128685524963792084484814670676250169907628990676408037404643105903523945859849170228997732850521563613359476765003006735492274431694891756501580822167905956688042801275284494373890887113851868752480307571279758983015398512562528320636456835238642755608515399437328274883881799493681210244593193 (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.