Factor Info
| ID | 16720 |
| Size | 181 digits / 601 bits |
| Status | composite |
| Value | 6913992838227513550746822992742752477334959994962353365980169949488920799693158037048868310141007127460637361942533979786830226857323690360930226822925804911754420343521316843368957 |
Factorizations
| Primary | (ID: 16721) 54234164649457019858090786783366331533 (proven prime) |
| (ID: 16722) 127484084670911122388470317616829936642274184030443755273080219182237925533093684159707221786084977417840902398157809436305739514753716203636529 (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.