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Because it has no divisors other than itself and one. That is the definition of a Prime number.
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Why is 31 not a prime number?
31 is a prime number
Is 31 prime or not?
31 is a prime number
What is the prime factorizer of 31?
31 has no prime factors because it is a prime number so it has two factors, 1 and 31.
What is the prime factalization of 31?
31 is a prime number. Its only prime factor is 31.
Is 31 prime or composite number?
31 is prime.
Related Questions
Why is 31 not a prime number?
31 is a prime number
What number go into 31 evenly?
1 and 31 (31 is a Prime number).
Is 31 prime or not?
31 is a prime number
What are the prime factors of 31?
31 is prime so 31 is the prime factorization of 31
How do you work out the prime number of 31?
31 is already a prime number.
What is the prime factorizer of 31?
31 has no prime factors because it is a prime number so it has two factors, 1 and 31.
What is the prime factalization of 31?
31 is a prime number. Its only prime factor is 31.
Is 31 a prime composite or square?
31 is a prime number.
Is 31 prime or composite number?
31 is prime.
Is 31 composeite or prime?
31 is a Prime Number.
What is the highest prime number after 31?
The highest prime number after 31 is infinitely high. The lowest prime number greater than 31 is 37.
Which of 21 31 51 and 91 is a prime number?
31 is a prime number.
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