Factor Info

ID 197278
Size 671 digits / 2227 bits
Status composite
Value 19882981379309247130280185901804851656244109976798649233000815608905075945740927570375139599041237502953613174521703301138455153170109127612354218286241407526323943191038113397559279479009513288017780876950946018869324940579034916902479879292514263182245366924109963436056336210897632767215683567993736574292227292745164668920476292106159256337267674284133249518321034041683977024830142393153194678971549757759855185084443695564776799295868095179591485128895563382267201152683049982358195187252992653062070517857111900875817926021071659060062410246414814416044721142038542658610167254403782878468961389998227932367386646475996950470135857968527587611062658775595370515839

Factorizations

Primary (ID: 17297) 58220022739632174549950127401919425992936844184277 (proven prime)
(ID: 197279) 341514490096107180793903264005009143479991755194755592741835772536847180153523472653037290723309931182802061609520036296368911364058346167010447065457713300327182628005299695683924370723886403213061249820191860564520440222860988670177363500466570376367489806944590761365835878268614170736597553326652471533897023574652772396848287972942193079284578384642224618850606565109413291851611877604934995991407897762379473139036194211663853570005734533604372576199334781672059645104586559400959910610027943537400798429689340709406026114672225076751950889518503973043355875642216446290189985408916980952727906296695501831949416707 (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.