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Which one is prime 21 25 23?
Only 23 is a prime number.
Which one is a prime number 19 21 or 23?
19 and 23 are prime.
Is 23 21 19 prime or composite?
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.
What are prime number greater than 21?
There is an infinite number of prime numbers that are greater than 21. The next prime number after 21 is 23.
What is the smallest prime number that is greater than 20?
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
Which one is prime 21 25 23?
Only 23 is a prime number.
Which one is a prime number 19 21 or 23?
19 and 23 are prime.
Is 23 21 19 prime or composite?
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.
Can the number 23 can be written a sum of two prime numbers?
No, it cannot be done. As 23 is odd, two numbers used would have to be one odd and one even. As 2 is the only even prime number and 21 + 2 equals 23, but 21 is not a prime number, it cannot be done.
What is the prime number out of 21 23 and 25?
21 = 3 x 7, so it is not a prime number. 23 = 1 x 23, it does not have any other factors, so it is a prime number. 25 = 5 x 5, so it is not a prime number.
What are prime number greater than 21?
There is an infinite number of prime numbers that are greater than 21. The next prime number after 21 is 23.
What is the prime number of 21 22 23 24 25?
23
What is the smallest prime number that is greater than 20?
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
What is the smallest prime number where each of the digits is a prime number 23 13 21 17?
13
Which of these numbers is prime 20 21 22 23 24?
The prime number is 24
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 is all of the factors of 23?
As 23 is a prime number, it has only two factors, the number one and itself. The factors of 23 are: 1 23 The prime factors are: 23 is a prime number.
