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Which of 21 31 51 and 91 is a prime number?
31 is a prime number.
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.
Which of 31 or 91 is a composite number?
31 is a prime number because its only factors are 1 and itself.91 has factors other than 1 and itself, so it is not a prime number. Its factors are 1, 7, 13, and 91. Therefore, it is a composite number.
What is a composite number 7 31 41 91?
The only composite number in this list is 91. The others are prime numbers.
Which number is a prime number a.91 b.51 c.31 d. 21?
91 = 13*751 = 17*321 = 3*731 is prime. â–
Which is a prime numberWhich is a prime number A 21 B 31 C 57 D 91?
It is: B 31 is a prime number because it has only two factors which are itself and one
What is the second prime number after 91?
The second prime number after 91 is 101.
What is the next prime number after 91?
97 is the next prime number after 91.
Which number is prime out of 91 51 31 21?
21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.
