Factor Info

ID 173293
Size 762 digits / 2531 bits
Status composite
Value 657460684870213626257640461428757976165296215296309526290112881748091334075330484772063562063761625954220604147737939402311956122764511214608084973960619113412886962352973976680252772120257775023056187715676803028698126331759301883980452124383825227712724920321697043582141777331025224686898373871947408536993416901765160407943023706841333510755694059953720243689731119913899596275547897202744526768961109133377779002058578395597311472586787061587033610874107104249049526822036567611373444717793244325797142810319272749197375947854300230780500804004907774988815318301288327689054921016107531150473856440419273421345178028843795657136915365963742147808596967049670827179250854039527782558280464481671038518652897199400290968845887911649663840908007269127810982439

Factorizations

Primary (ID: 171380) 1575850427038837744926591856538221047697 (proven prime)
(ID: 173294) 417210081356287329633171040464258949784271853493820582497086243331734434098168642446184396746497456083049685695695929574258241687148173968271701065526711183370286723528052073742950133555575647929543209409265991150679595491987736081861204530534346669968857937650130698724527749286076248339833406627911191325714722584182671422918888545683885429601633406820432852564822126021193308339776439585031075546498454429959903073969889630533147202957093115005871025602811351587282881424645498170678021990246775068719573921076435003612123414191398908933511308468467135877087487594809756723183037593935072387430068724145136412026096077809488052970523390067864397592310601327058739626354966886322489800947565337789529049423702989036882487 (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.