| Formula | Original Size | Source | Factor | Factor Size | Status | Date |
|---|---|---|---|---|---|---|
| 21397^58 | 252 digits | MWRB2200 | 548954...169231 | 92 digits | factored | 7/23/2026 |
| 21397^58 | 252 digits | MWRB2200 | 604675...922681 | 58 digits | factored | 7/23/2026 |
| 175394...620779^4 | 245 digits | T1600 | 327237...639881 | 43 digits | factored | 6/4/2026 |