Factor Info
| ID | 15381 |
| Size | 186 digits / 616 bits |
| Status | composite |
| Value | 158808829487675048018518341087601432219607156432037578068083366581827874435888746865333041997594899544726185982841420204126328596169165263187396268877089566653798355879187144465538448171 |
Factorizations
| Primary | (ID: 2937) 2679895157783862814690027494144991 (proven prime) |
| (ID: 15382) 59259344167404624964875627007788040364210745238664117039968823904515697778140008895536164055429850569186452034312029385940431440464281610606761817532981 (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.