Factor Info

ID 161741
Size 459 digits / 1523 bits
Status composite
Value 164790236924531573193114621149611355688563682561023120229350966442721641554315049868900237432607954651392427953803661892410195850620796828854733825586672070053559373659981055391789230852629481606382854391724261902167526066538649411709058902510678302160727310274770043734738479652607570189794510383277954906055271364013218023051170799956725145281273363844814703168926789123051844953958583106115503349612092984273923078033073640206072011045895084546494401463949

Factorizations

Primary (ID: 163111) 12890637456713676900709022359483 (proven prime)
(ID: 194042) 12783715117106628447311666115528112880904732415261351039927989639515985563276327460080421914965889247545861883309220778068687231300907234699122366083375649627116012881593064235042134065118121780930133135885929790200497894591594190627213851387764397876360852971507991774047353308381408762446395584425042442117370207962245206954011013832792306896330767726208356007428409306520247334655372760595225354381881554110875807882940668503 (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.