Factor Info

ID 163883
Size 278 digits / 921 bits
Status composite
Value 12739153850980910541705742837380210632299274373987263799491665833251076063009760470822645413347399169780600839037103508357817828909638017760860187690207832074454753235291979901302823335188194928254966725472812649240757926492742685808419893658832676520854002317975113501185009821

Factorizations

Primary (ID: 163530) 39879421520336710536871 (proven prime)
(ID: 163884) 319441791413260979634690291141880602357169810339189701580110684168743747552928386691063376382106440572588722891636375542558138324394397912944527326057248143303977573476076582486694750316036906812728427000985461213604203238739569041948372183443022746311451 (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.