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Which is a prime numberWhich is a prime number A 21 B 31 C 57 D 91?
Updated: 10/23/2022
Wiki User
∙ 10y agoBest Answer
It is: B 31 is a Prime number because it has only two factors which are itself and one
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∙ 10y agoThis answer is:
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Is 21 and 31 a prime number?
21 is composite number that is a multiple of 3. 31 is a prime number.
Which of 21 31 51 and 91 is a prime number?
31 is a prime number.
Which is a prime number 91 51 31 21?
31
Which number is prime 91 51 31 21?
31
What number is a prime number 21 31 41?
31 and 41 are prime numbers because they have only two factors
Related questions
Is 21 and 31 a prime number?
21 is composite number that is a multiple of 3. 31 is a prime number.
Which of 21 31 51 and 91 is a prime number?
31 is a prime number.
Which of these numbers is not a prime number A 21 B 31 C 41?
21 is not a prime.
Which number is a prime 91 51 31 or 21?
31
Which is a prime number 91 51 31 21?
31
Which number is prime 91 51 31 21?
31
What number is a prime number 91 51 31 21?
31 is the only one that has only two factors: 1 and itself. It is the prime number.
What number is a prime number 21 31 41?
31 and 41 are prime numbers because they have only two factors
What is the prime factorization of each number 21 31 100?
21 = 3 * 7 31 = 31 (it is prime) 100 = 2 * 2 * 5 * 5
What are prime number greater than 21?
The prime numbers greater than 21 are 23, 29, 31, 37, 41, 43, 47, etc.
Is these prime or composite or neither 15 21 31 26 61?
31 and 61 are prime, the rest composite.
Why is 31 not a prime number?
31 is a prime number
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