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| Mirrors > Home > ILE Home > Th. List > prmz | Unicode version | ||
| Description: A prime number is an integer. (Contributed by Paul Chapman, 22-Jun-2011.) (Proof shortened by Jonathan Yan, 16-Jul-2017.) | 
| Ref | Expression | 
|---|---|
| prmz | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | prmnn 12278 | 
. 2
 | |
| 2 | 1 | nnzd 9447 | 
1
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