Factor Info
| ID | 42153 |
| Size | 196 digits / 651 bits |
| Status | composite |
| Value | 8106542219527106518160569589576973192834544899289375750960119319874681467633831407238521063608339096912167128633718250074574016290710363386827092652182337038344328519933913832609825617680648197161 |
Factorizations
| Primary | (ID: 19) 10157807305963434099105034917037 (proven prime) |
| (ID: 46064) 798060248176585001867883024726045515161802031547747829731196058758407942704280371485380163448059288541933898080828649272044225466379191019707108560325841571680956653 (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.