Factor Info

ID 42860
Size 259 digits / 860 bits
Status composite
Value 6403574578480783998965349888271621755920159659151620525143704476435082584631401922588487217378577900708122116201765760036175519034275901512331735437980405403771650344216356550755076246285877512684721491286014982234417763649950623353767743349349447965068680343

Factorizations

Primary (ID: 1183) 180249374207654999655624116221570357240692774273973649 (proven prime)
(ID: 46774) 35526195897377107130091180325638192442781711920447166109521292829626386425846150977009739536520969648408324692132443966561630128862926903453792799420214946758846904400892270846235150997831140975217138615207 (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.