Factor Info
| ID | 20153 |
| Size | 147 digits / 488 bits |
| Status | composite |
| Value | 526335278789445487307920640087593579159055698095518460154507806628889181044566088628905527630482553683080077474802137769017564858400352121110051313 |
Factorizations
| Primary | (ID: 2259) 111994624258035614290513943330720125433979169 (proven prime) |
| (ID: 20154) 4699647704310958756172428094989827379269964500718279672842668516597679787731613620656744089391648173777 (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.