Factor Info
| ID | 12280 |
| Size | 139 digits / 461 bits |
| Status | composite |
| Value | 4077378747075953619127081844819983258386510899958061468795158220830317859592450571868330302237223193607811975394972475109917952549428675909 |
Factorizations
| Primary | (ID: 4271) 636961216046002471921398696960338364910115196955450597747751689 (proven prime) |
| (ID: 12281) 6401298296286658172279766458354992647943429945290576001215860910257049221981 (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.