Factor Info

ID 31189
Size 309 digits / 1027 bits
Status composite
Value 978260038575142278609663316685792045821614732741796734098645309715745442939544256403107354393673049769447708572672991137148824403014850901753736223281326683578276237816966167252658906361997531797016887888067903245487299557306561580149933938793734545776851323246785742155686115990079450360647273803951432736769

Factorizations

Primary (ID: 17476) 2653655703600055300471675940271611363631320368111914433 (proven prime)
(ID: 31190) 368646180153663357212780542511453624473767588913143135316678526519719138652674606787066033194074887365813356461836273544374106020495914894966820476490676585747878016734974612940571235216903801569387670350144265832137960979174229185762648765263437345366593 (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.