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Only 23 is a Prime number.
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Earn +20 ptsQ: Which one is prime 21 25 23?
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What one is a prime number 21 23 25?
23 is a prime number.
Is 15 17 19 21 23 25 27 29 and 31 prime or composite?
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
Is 3 13 17 21 23 25 a prime number?
3, 13, 17, 23 are prime numbers. The others are not.
Is 23 a twin prime?
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.
What are the composite numbers between 20 and 25?
The composite numbers between 20 and 25 are 21, 22, and 24. 23 is the only prime number between 20 and 25.
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