Factor Info
| ID | 8553 |
| Size | 200 digits / 664 bits |
| Status | composite |
| Value | 42212437971319892603762565149259514755873551309975068283757541693589802966044045980798915476117934447476298973428192023221627627159018076069069829744457230308103591407402605221722656766825272805381839 |
Factorizations
| Primary | (ID: 18274) 305033517629290547304139 (proven prime) |
| (ID: 18275) 138386228173852604325063070448086700312599350791420442121467047877358808797542290419688812535979078558032138124703311228536863489439663338371049366455043422191448168246782524301 (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.