Factor Info
| ID | 149721 |
| Size | 162 digits / 537 bits |
| Status | composite |
| Value | 280407660520833927530540107069533152661694069630684961289427326872431929489749753183807662058116475449521522961049909031188217178659584119469734915010632321126523 |
Factorizations
| Primary | (ID: 183843) 9982452773888314551478127752661662673867799391360392721627213748143158937 (proven prime) |
| (ID: 183844) 28090056309037859122499831385473125174509976900298943899168738487463642319359345633046579 (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.