Factor Info

ID 66921
Size 572 digits / 1898 bits
Status composite
Value 12791686585359994273937534955200790698889185530829079045082564354198769931132035405287978370754706244714908719366757996276007193527979713207643024371218269107415842858327163647340629048992396270373654344320252379167890933589792268019216757327385565039949599207778309453091946279866962221590167592413242658928947954164228093959372732981646548304436509298776244449518469801497022855335890162754175592982641379821245291608716303929603240308424941049143571654406493211175572742490815309159362393177903671941388286831251802512277012815541956919353124217626936948993969306669489

Factorizations

Primary (ID: 65726) 12042065697120681040605799 (proven prime)
(ID: 66922) 1062250190880336368548412457918633135770405931047396047193730915194238864715299174670493582878404877473706269151074517235432901784563146807698077234680777989096994295521276883286720036348669179958556028609160247814860799275162472180080487620647153327514535644297105667730864508014464516690155347805135194326608655274743579251870443880989234867517865624670535187983331634209968497957897934343134142756526071117210492495739175374768779748173562737767174299119230856154328158498659754742826450075550095435035169125330369271876542817973619680538934311 (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.