Factor Info
| ID | 131967 |
| Size | 178 digits / 590 bits |
| Status | composite |
| Value | 2455825581980705153913468004511481779152586031107065301637193088327410337750444972148115042279151652543858196532687255220159365788800091141677579844631612187223987097983578669181 |
Factorizations
| Primary | (ID: 131968) 1556912582127465166281841 (proven prime) |
| (ID: 131969) 1577368960963053966132375674721518849496413623719233536661238656533296592899954593090241378522641729013436743760134027164922990220830997475858230045825741 (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.