Factor Info
| ID | 28860 |
| Size | 162 digits / 538 bits |
| Status | composite |
| Value | 552959765947460553504642205239581498756283698441768386532389660853953036028212977380627098071022080621048152153714155953112511948687918388955842785510168608762001 |
Factorizations
| Primary | (ID: 16404) 388917369321230148861862121856409329475801 (proven prime) |
| (ID: 28861) 1421792415475118480066914618897919009312100524968013771195483973370894246723120444049579821790525558920147960110873326201 (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.