Factor Info

ID 197981
Size 502 digits / 1665 bits
Status composite
Value 1513677405931789939460991171545335455853362390345298082192681136956166062223505244078962406100991439873425422302622511200732181646145855622459836851424638373183581364937709685327334470529015253668400000681297558760276832674914011602476478536864871540135424463426040700299790812015797900255040027485697584680922277799096757641715435192833632595550193654024861172894441349614896657026466078026517139922835551779884439393463751788294552188563529079477562691915014124525414628134152106219542982970119474693

Factorizations

Primary (ID: 17192) 57063471642936858295625494275761490859413610922514697 (proven prime)
(ID: 197982) 26526206036031603618230205132044019982064568998134745548940698497116672629762905250284682404251856446970596333234610104062495941890979046135086986964994960909693200105366455249517330465230870092885311821414926892939254033617181284483150833130354187627948265851194592871013158209427916578475501921808914508758907719293302983722943244096868316153649936613755986227364349818510055655656367887725934414574430746004210995821336805724216336191037473699869 (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.