Factor Info

ID 20246
Size 252 digits / 835 bits
Status composite
Value 187980404730305145015488978801636137382880017883371395564514702440978663448474330737041206486796933763247677379701243331322035837953574239120750732692433446809304156580471132787788242607158455022016291185414362400165697962580589639758252039078317489311

Factorizations

Primary (ID: 20247) 72057037864038195989298527342262688886641 (proven prime)
(ID: 20248) 2608772304587353893180299684156555253765529338218567622451668870910123111956499449647092847659203180675070710644289778572755506784968243213125043143190098490947781521010215185611793368614166301103484661683225871 (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.