Factor Info

ID 163650
Size 135 digits / 448 bits
Status composite
Value 637489127694624776872777267451913705028923226441518606883549261075744050531205414025567396494234425755980782264998109723459584633067269

Factorizations

Primary (ID: 163522) 711722995847507981153 (proven prime)
(ID: 163651) 895698370593622957326177514767991342712483303134360782754990566207468368124249678915428513945528955795666866612773 (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.