| Mn | Details | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1223 | Composite, with 3 known prime factors. Cofactor is PRP (Probable-Prime). Trial Factored to 268 TF target 244 | |||||||||||||||||||||||||||
| Factored |
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| 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