Factor Info
| ID | 12561 |
| Size | 166 digits / 550 bits |
| Status | composite |
| Value | 3480891758317643708421232494482344389691439985152132043973400217695478550424666700563850319461007167501663887571658386613625010880458776883097758220945311571813384219 |
Factorizations
| Primary | (ID: 4242) 657890411545272648205502849240259841 (proven prime) |
| (ID: 12562) 5290990257999993009188363970635925187769723462474504561352459507206041817028601657247196011348862617134829029028308146012444389659 (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.