Factor Info
| ID | 19878 |
| Size | 197 digits / 655 bits |
| Status | composite |
| Value | 78178542191623835719852592067448058412204061477795548122355279008785955104579624221853321585759826771646844687102471648952171142413586805973698344048508987795281504921996073339281259323460987735337 |
Factorizations
| Primary | (ID: 19879) 3571618567996393297210217238290456648947344377957590363519828421 (proven prime) |
| (ID: 19880) 21888827349075082480789022031962284973035457068351275674479436543347115465214518431856243689268536488252798057879236945418892566808597 (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.