Factor Info

ID 141615
Size 624 digits / 2073 bits
Status composite
Value 551188555998865795785741140054359465517719952569743884778571346592310495338845373217864606449964887170124872133682892125302869709739724787516035619469432822855658175750259492318773185993728699658961943740901032808106501301062021531939518123496761035255956135146349159387820631671182536916296244500817792858803580912334098434070808872066600177804451157963805048623478692997039472480828482758453170213967848338582883838797898823527224245054017336242852447109838937435441894331621735622130042422663005664967272675675707211780752567023157828126544809492328827498006332397384313860583531298987188363521384452400396657696975959091

Factorizations

Primary (ID: 16280) 2560787702841639767474730913969 (proven prime)
(ID: 141616) 215241800555050360365931711812351711994717918684201783474489879181153552896473854366840740573343511639133170910281447344970393382790885912269048105841747668861823818201357411805347537416113866955479130909926330538026041813089616887602116841564169045380593174696810050143961481015258546412689529600286466679284438908378983606044598491391968178224226679755276644110075871541043718701788367646125373695459124960016325919320153195286244281771686171237366267347697278121930437732227001326255539830792359105888311764507997439014905437567100353987907437750570496904950554689959301600063590477251144739 (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.