| 8321111 | Composite, with 3 known prime factors. Cofactor is composite. Trial Factored to 268 TF target 268 |
| Factored | |
| P-1 factors | |
| PRP Cofactor | | Status | Proof | Date | User | Residue | Number of
known factors | Shift | Type | Base |
|---|
| Factored | PRP without proof (not generated) | 2018-10-14 | Oliver Kruse | 138CF28A83700CAB | 2 | 4887397 | 5 | 3 | | Factored | PRP without proof (not generated) | 2020-04-18 | Igvan28 | 138CF28A83700CAB | 2 | 6880984 | 5 | 3 | | Verified | Certified Good | 2024-04-14 | dnova | 138CF28A83700CAB | 3 | 2306455 | 5 | 3 |
|
| History | | Date | User | Type | Result |
|---|
| 2025-05-07 | beep | NF-PM1 | B1=1900000, B2=10261521270 | | 2024-04-14 | Joe S. | CERT | Proof certified good | | 2024-04-14 | dnova | C-PRP | M8321111/98072614247/4203492432761/6674692043942602818337 : 138CF28A83700CAB Proof Certified Good
Proof Power: 8
| | 2024-04-08 | Stef42 | F-PM1 | Factor: 6674692043942602818337 / B1=141000, B2=210169050 | | 2020-04-18 | Igvan28 | C-PRP | M8321111/98072614247/4203492432761 : 138CF28A83700CAB | | 2018-10-14 | Oliver Kruse | C-PRP | M8321111/98072614247/4203492432761 : 138CF28A83700CAB | | 2008-09-08 | Will Edgington | F | Factor: 4203492432761 |
|
