Factor Info

ID 150160
Size 258 digits / 855 bits
Status composite
Value 220297616141460764508283978507014876322404611402817118710550190408261043211772888652345346853110243785245949432618908464577201310815363251600165841163918528803022330324988237363831229835143556172193939779866496002877906132143342477124563319774390227548356601

Factorizations

Primary (ID: 149811) 852924573919103628451 (proven prime)
(ID: 150161) 258284991285003218970222595392697653200137924877652575571704214408818790149805031743072554585474495037655085620323809566575254232508671592644629526979627221453490884863641342111037757539900693047811660820110066775912000098056408162985651 (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.