| Mn | Details | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2563013 | Composite, with 1 known prime factor. Cofactor is composite. Trial Factored to 268 TF target 263 | |||||||||||||||||||||||||||
| Factored |
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| ECM |
Estimated T-Level: 23.3 ⓘ TF below 2^72 is very unlikely to find new factors due to ECM effort. | |||||||||||||||||||||||||||
| PRP Cofactor |
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| History |
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996
GIMPS
Finding World Record Primes Since 1996