Factor Info

ID 12697
Size 145 digits / 480 bits
Status composite
Value 2471521918003692659531063097206804975868563929394443197137504620287921754746912584689791052324894650667100095528525022007333191703622089431542913

Factorizations

Primary (ID: 12698) 1467449053598297037054624388609 (proven prime)
(ID: 12699) 1684230135242741377745958185390993825022936829003535785442863512923635013031162130184088120759074478236068455945857 (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.