Factor Info
| ID | 28647 | 
| Size | 298 digits / 988 bits | 
| Status | composite | 
| Value | 1528939340520663157691444192368010129339985969436753390910278315932913625928517843397552412366694293217532193010094568007988333526530397759006904242523549965856127691884713711549302570821398838166648689639567245144623288813442618600065134106972809463937782425828163435127953218606000962321533019501 | 
Factorizations
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.