Factor Info
| ID | 16556 |
| Size | 145 digits / 479 bits |
| Status | composite |
| Value | 1240388912224351554068901503758296711974289662893505328883564834017647660225650684180135518163030360096929327489929368945427841928049693677109791 |
Factorizations
| Primary | (ID: 16557) 6475711850365695029787483033056414199292785571 (proven prime) |
| (ID: 16558) 191544797064172114730658018645874090546401824191820375247542827883765318723094147017718458087636821 (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.