Factor Info

ID 21811
Size 648 digits / 2151 bits
Status composite
Value 267577520822229850705873151761634907323657885951627954742389010610341177383700111476782845958404106968280548567368807896862558296573820814518429595842527951855365025724689406815354981547782746583699185231412543034527310926326072836461703345370255007174033886215517395043196925290978018604947654056764499524724441158634496401113216582378094144354590204285922107721934338687120538414606542229741108248922216591563924563840911506403241028688875852036170482944402080186026962273485370662136633286350817907071119294130656023218270212683848211892375371638522994746615622784863298009432452235999301010976257376599658045445784755660720181356787273556307521

Factorizations

Primary (ID: 6746) 5747338499820296170481 (proven prime)
(ID: 21812) 46556770726240725284480231132708131869326260206503989941070712531322914000063302581149260660504869579042335680536366717095441026760892133227160236434365191868212029028247128021986556503892573304562547844437188030117998495580892803784755427343526854118734267532053106118569548938341435192569237181562169804128252646197068353822691177405165366830715369584873429645848684793733824971828273763924348867765233983157576127813840420951221780631881244982804072926806969416164495143355283851862710832381598568639487071809349810828490808738550239268834824898395378544334404940208731101906392574269220509291217304324487815608232446293841 (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.