Factor Info
| ID | 50721 |
| Size | 154 digits / 509 bits |
| Status | composite |
| Value | 1018888621129976369652123802513921223296331695192558820658140215491400392188466137835226627291386943754672390096492691062039684299195863327556417802375201 |
Factorizations
| Primary | (ID: 50234) 21283620033217629539178799361 (proven prime) |
| (ID: 50722) 47871960669274461526095032877344381915021782662568242535538101206394665189037952165701503465590098372711027230744781495537441 (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.