Factor Info
| ID | 171800 |
| Size | 192 digits / 638 bits |
| Status | composite |
| Value | 721566354185029245747272251378017828038842640422963387078350347950427171919910687159649045123844441320057386153627284950833695571635584726865320920713992226601036520691660762006526094272149281 |
Factorizations
| Primary | (ID: 171801) 1160079805734549349839972977742961656157450241 (proven prime) |
| (ID: 171802) 621997168313900292540643400153890030791787979575576071894455773165724961905146765281863974555039313922031150932935946395554238798840965390809073441 (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.