Factor Info
| ID | 19678 |
| Size | 193 digits / 639 bits |
| Status | composite |
| Value | 1512536773402993443761938108554379970000411384012084822170740667298962824245989431134619986262395204726588999417296960236884452421715701756622491213420735218624569688457041499402216715569543521 |
Factorizations
| Primary | (ID: 19679) 4857900688365130469291831549890842547443917376935406225054646143856579892970236911030721 (proven prime) |
| (ID: 2276) 311356050778390853515194982157798457569542012969741683230780943655658473371697366138417141225623774416801 (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.