Factor Info

ID 143820
Size 480 digits / 1594 bits
Status composite
Value 398886311004113865088964481176998305176009265788716411141963934908005870204435601436297723308238593591903241526462642037814288383007841493336228088629816188706054780125976829767672899009621459276346316877362163902410389750229274800384237291791314660443988021543666628870343035048834575903384654644058140264284491909404912814047401086448418923663524251330208084889431838809315206239526751865895747631366471264143647446155808820553315249932319896669562903552360982741563663752000517

Factorizations

Primary (ID: 143129) 73355903553709150436991421893506428181 (proven prime)
(ID: 179643) 5437685198875103661064987366880484390045643476896878890206213744865533473408617426808178382870791505592195505421178175065103862893027701595001573609987932869680220154822197459955887617893776814488071445307979621980097672990560944978155323816679679418884006101694100840841834491886160383449207976153747646086888859836752198986694610567743220461630282133118874512782953114867478603655800324054178600466954808541651970744708203581140385686718257 (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.