Factor Info
| ID | 171581 |
| Size | 141 digits / 466 bits |
| Status | composite |
| Value | 181637131920394689816842617603388915207247130487898723913265785206189574885376428745530502712343505798282631909084721063340643109084553982607 |
Factorizations
| Primary | (ID: 171399) 35301129975023626547559778905908150113948939543 (proven prime) |
| (ID: 171582) 5145363110158434033260945989079519011320800758210786068878598018258774749549518668771459615049 (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.