Factor Info
| ID | 8523 |
| Size | 189 digits / 628 bits |
| Status | composite |
| Value | 747337740250991721734178485534208479811395176507413184653979324634252885532943048839123623994851300508183778980652532628989285051354621464274504872295126115489893504279834566763898163532521 |
Factorizations
| Primary | (ID: 18233) 58628254861045912568724329431228508415599499441292512521 (proven prime) |
| (ID: 18234) 12747057575263795153700015953438329361100725555239882016202815842347388846036120833711133801643870424110624114595900434561726148620001 (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.