Q: Is 11 and 13 twin prime numbers?

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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.

3, 5 5, 7 11, 13

3, 5 5, 7 11, 13 17, 19

3, 5 5, 7 11, 13 17, 19

The 15 twin prime numbers between 1 and 100 are in 8 pairs. The twin prime pairs are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73).

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Yes.

Twin primes are prime numbers with a difference of 2. 11 and 13 are twin prime numbers (13-11 = 2), 31 and 37 are not.

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.

The numbers 11 and 13 are prime twins. Prime twins are consecutive prime numbers that differ by a difference of two. For example, 3 and 5, 7 and 9 are twin primes.

11 is the twin prime of 13.

3, 5 5, 7 11, 13

Yes, 11 and 13 are twin primes.

A twin prime is a pair of prime numbers which differ from each other by 2. Some twin pairs are * 5 and 7 * 11 and 13 * 17 and 19 * 29 and 31 * 41 and 43

3, 5 5, 7 11, 13 17, 19

11 and 13 are prime numbers because they have only 2 factors which are themselves and one.

The 15 twin prime numbers between 1 and 100 are in 8 pairs. The twin prime pairs are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73).

3, 5 5, 7 11, 13 17, 19