Factor Info

ID 171658
Size 271 digits / 898 bits
Status composite
Value 1507586300720549929335874103609058168210628464952737490981292130654068313421353140845625632295540428156816160863642594121127841943421605978059243406476675677410034180257934455225760480072864804763229864308838384613147357351965594886970084280147337234492428944973203230191

Factorizations

Primary (ID: 136427) 1350722411768113885790624753062895918883814157448379863553859994476957 (proven prime)
(ID: 171659) 1116133328051541762466383067457106906538262003562812747577053047467966094738835475519573723068899643432171971860744677845984999717809845563258690470051304975187143679722406347932862721224252392098016763 (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.