Factor Info
| ID | 20509 |
| Size | 191 digits / 633 bits |
| Status | composite |
| Value | 28002253995986647948913171399638674505358340379840486053388171799406095820921990987276863131501568773508823693474584237355917902787995884850309290742014356325948846998895105534445909017309721 |
Factorizations
| Primary | (ID: 6692) 28870194250662203210437116612769 (proven prime) |
| (ID: 28678) 969936459479982643744266342178764123905408119385941858394201419514091316727290697154148637673616110871224987763707070148408278729715843170362715383237595289209 (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.