Factor Info
| ID | 663 |
| Size | 124 digits / 411 bits |
| Status | composite |
| Value | 3348334608181037574327362561916316891613923299534019151412672892772601129770074366310672133647344243411120311669355233954193 |
Factorizations
| Primary | (ID: 664) 587844315337792746053 (proven prime) |
| (ID: 665) 5695954729539206966461419169099910812617403405224051090301974850702312852923304041961165436660636636381 (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.