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No 21 is not a Prime number because it has more than two factors therefore it is a composite number
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Related Questions
Is 21 seven a prime number?
21 is the product of two prime numbers, three and seven. A prime number is defined as a number divisible only by one or itself. So ... NO ... 21 is not a prime number.
What one is a prime number 21 23 25?
23 is a prime number.
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 the prime factorization of forty twenty one times two?
21 x 2 does not equal 40. 21 is not a prime number.
What is the prime factorization of twenty one?
The prime factorization of 21 is: 3 x 7
Which one of these are prime numers 21 47 87 or 4?
47 is a prime number 21 & 87 divisible by 3, and 4 is divisible by 2
Is 21 relatively prime?
It can be. 21 is relatively prime with 32.
What is the prime factorizatiion of 21?
The prime factorization for 21 is 3x7.
What is the prime numbers of 21?
Do you mean, "What is the prime factorization of 21?"
Is 21 and 89 a pair of prime numbers?
21 is not prime.
Is number 21 prime or composite?
number 21 is prime
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