The prime numbers greater than 21 are 23, 29, 31, 37, 41, 43, 47, etc.
There is an infinite number of prime numbers that are greater than 21. The next Prime number after 21 is 23.
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
21
number 21 is prime
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21 is a composite number, not a prime, having prime factors 3x7.
There is no "the" prime number in that range - there are 21 of them. If you want "the" prime number you will need to be more specific.
21 = 3x7 ... not prime. 22 = 2x11 ... not prime. 23 is prime. 23.
21
48, because it adds another 2 to the prime factorization.
No 21 is not a prime number because it has more than two factors therefore it is a composite number
21 isn't a prime number because it has more factors than just itself and 1 3x7=21 21x1=21
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22.
The first composite number greater than 21 is 22.
23 (Prime) + 29 (Also Prime) = 52
number 21 is prime
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