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# Is 23 a twin prime

Updated: 10/24/2023

Wiki User

14y ago

No, 23 is not a twin prime. A twin prime is a Prime number that has a prime number difference of 2 with the nearest prime number. In the case of 23, the nearest prime numbers are 19 and 29, which do not have a difference of 2.

1mo ago

Wiki User

14y ago

A twin prime is a prime number that differs from another prime number by two.
ex. (5, 7)

The numbers two away from 23 are 21 and 25 which are both composite numbers.
So in short, no 23 is not a twin prime.

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### Is 21and 23 twin prime numbers?

No, 21 and 23 are not twin prime numbers. Twin primes are pairs of prime numbers that differ by 2, such as 3 and 5, or 11 and 13.

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Twin primes are two numbers with have a difference of 2 and that are both prime so 101 twin number is 103

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Twin primes are pairs of prime numbers that differ from each other by two. 29 and 31 are twin primes.

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### What does twin prime numbers mean?

A twin prime is a prime number that differs from another prime number by two. Except for the pair (2, 3), this is the smallest possible difference between two primes. Some examples of twin prime pairs are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31) and (41, 43). Sometimes the term twin prime is used for a pair of twin primes; an alternative name for this is prime twin. Hope this helps :)