Cousin Primes
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Basic Info
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Discovered by | |

Number of | |

Description | p and p+4 are both primes. |

First Few | (3, 7), (7, 11), (13, 17), (19, 23) |

**Cousin primes** are numbers wherein two numbers have a gap of four.

## Examples

7 and 11 are cousin primes.

19 and 23 are cousin primes.

## Largest Known Cousin Primes

## See Also

- Twin Primes, wherein the gap is two.
- Sexy Primes, wherein the gap is six.