Factor Info
| ID | 63821 |
| Size | 189 digits / 626 bits |
| Status | composite |
| Value | 161591788881539244857590070248913612237836244615475604975348716624224505366299286799958760482156070658510046877889879423172030447963355124248397758172279733786888085629470590234031228072961 |
Factorizations
| Primary | (ID: 63489) 31401907642819255826324699129 (proven prime) |
| (ID: 90142) 5145922684684119794034841888869420573150807265873714822492050588865917996760745785032952798286216980356929864233459352908648829689722772549726000269500490395209 (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.