Factor Info
| ID | 143391 |
| Size | 191 digits / 635 bits |
| Status | composite |
| Value | 81887424745649523686403541838994579485253652717783083548963115076765620223788136554149711590426839491857369404765498200557421808483125310581308359063197915723931734593352768643945260911717681 |
Factorizations
| Primary | (ID: 179226) 21537873874971398979486539871246467154674154040831757590910563730419924336334321301343916921 (proven prime) |
| (ID: 143194) 3802019884646495327994249365725498341872623791322594741960604342865563022047118199019444716975325561 (proven prime) |
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.