23
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
The prime number is 24
The prime number about 22 is 23. 23 is a prime number because it has no factors except for 23 and itself.
23 is prime.
21 22 23 24 which is the prime number
23 is prime. And, for your information, a nun is a Christian woman who dedicates her life to her religion and has nothing whatsoever to do with prime numbers.
23 is a prime number.
19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.
Factors of 21: 1, 3, 7 and 21 Factors of 22: 1, 2, 11 and 22 Factors of 23: 1 and 23 Note that: 2, 3, 7, 11 and 23 are prime numbers
Only 23 is a prime number.
19 and 23 are prime.
You can work this out, Prime numbers can only be divided by themselves or 1. Therefore as 20 can be divided by 2 it it not prime. The same is true for 22 and 24. Thus the prime must be either 21 or 23. See if either of these numbers can be divided by 7, if it can then the prime must be the other number.