Factor Info
| ID | 163899 |
| Size | 205 digits / 679 bits |
| Status | composite |
| Value | 1681503939497605763483531005870980427258757185632894637823119615066123810924765597170904921551305037725405059421696565086319260262457560572560676245815455702197217556720247773012051216226705116629802979541 |
Factorizations
| Primary | (ID: 195344) 273090543733801750875952153009481 (proven prime) |
| (ID: 195559) 6157312942833610848769178642692606771937074099846187539728476882846992638809624951276934385069171659028735377965390258463695644977137082026191723051212587411690790112105261 (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.