Factor Info
| ID | 4437 |
| Size | 137 digits / 455 bits |
| Status | composite |
| Value | 53316242664602578809476637690304219827112079986873587254202348739675516848241029575336453114107343839993988186581072623974216830584667403 |
Factorizations
| Primary | (ID: 4438) 64911612051881874971 (proven prime) |
| (ID: 4439) 821366793694609363786586651424442764586582465726578000607890252986750548525784235602653759898115835317059892460938193 (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.