Factor Info
| ID | 10987 |
| Size | 172 digits / 570 bits |
| Status | composite |
| Value | 1955429691917189363239893257937772920860700283247151089307136976265136169416260338381393528549801392972582512510403701153104544510370136206682401106888202102548805683977577 |
Factorizations
| Primary | (ID: 10988) 13394595223843413901037846777300844745495137348727969920754613220161097793251799 (proven prime) |
| (ID: 10989) 145986471351995281114748849644203678988470587636054170861652120292479900430176816158187653823 (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.