Factor Info

ID 21451
Size 421 digits / 1397 bits
Status composite
Value 2082601240563298226901807578467244703590512412003959209213525980729571888199235473488559401334325718197221884777410434218115540203888102509528510503006963990241952245883636154248138547244568895596943958652880155682238252284367666473770924074032905228659731705173460243820465279901856767697524324032434195393137167046136813384955931941742735158766564366121058035061656673285509769623848032784327264704272065506865176600741

Factorizations

Primary (ID: 6749) 53130566763791958299 (proven prime)
(ID: 21452) 39197798318661523163183941332694125884955528777159074533106755558551059887207260078059401215924032502105536710775821758123477622763966368634835487181338064539121232105785987440829214415299167506061059903899297060291911900853350651867828783683120492676284922934495210903532825998042302452098383327995420780790136863626082541107513249066855834961453484350190284888605731866899945227164145953814717808959 (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.