Factor Info
| ID | 42142 |
| Size | 201 digits / 667 bits |
| Status | composite |
| Value | 380875280220426008331904134426179164171472261665579395873270360000400783788272911734550277403177100081100519604387288302475044708563189527609086625068347651002891897749580783746341357270681292704003463 |
Factorizations
| Primary | (ID: 103) 1686454671192230445929 (proven prime) |
| (ID: 42143) 225843769611173830232915788875875941134001467550210686820145749695671958741605498547283849725264488864920759422187467541781690405345784560267048940805981293870715004209194570171247 (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.