Cousin Primes
Basic Info
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.


7 and 11 are cousin primes.

19 and 23 are cousin primes.

Largest Known Cousin Primes

See Also

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