Number Info
| ID | 19991 |
| Size | 53 digits / 176 bits |
| Value | 55753071488265770207326258303296325521326339888451343 |
| Progress | 100.00% |
| Completed | yes |
| Small factors | 431 |
| Large cofactor | 129357474450732645492636330170061080095884779323553 (composite) |
Factorization
Format: number = small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
55753071488265770207326258303296325521326339888451343 = 431 × 4464951753212028068412713<25> × 28971751902509263440682681<26>
Categories
- Base 18 Repunits (index 43)