Factor Info
| ID | 161283 |
| Size | 163 digits / 541 bits |
| Status | composite |
| Value | 6313729404464665672378458363087768903729735409864119337387017750309582941354316554621621763926184408749926634864369261454603593449573826979464203188499844419972951 |
Factorizations
| Primary | (ID: 160976) 310927778423866221499151 (proven prime) |
| (ID: 161284) 20306096278916570037805118792454758467335751437667229891497775071094308995739066907941570090462246250423863773604254160182647967178696703801 (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.