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Why is 1 not a prime?

Updated: 4/28/2022
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14y ago

Best Answer

actually its prime and composite

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14y ago
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Q: Why is 1 not a prime?
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Is 1 a prime factor of thirty?

No, 1 is not prime.


Is 1 a mersenne prime?

1 is not a Mersenne prime because 21 - 1 = 2 - 1 = 1 and 1 is not a prime number.


Is 1 a prime or prime?

No 1 is neither a prime number or a composite number


Is the number 1 a prime or a unit?

1 is not prime.


Why is 1 not in a prime factorization?

1 is not a prime number.


Is 1 a prime number or not?

1 is not a prime number. By definition, a prime number has exactly two distinct divisors: 1 and itself. Thus, 1 cannot be a prime.


Are 1 and 2 prime numbers?

2 is a prime number. 1 is not a prime number


Is 43 prime composite or neither?

43 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.


Is 1 the lowest prime number?

No; 1 is not a prime number. The lowest prime number is 2.


Are 1 and 19 prime or composite?

19 is prime, 1 is neither prime nor composite.


Is 1 a product prime factor of 105?

1 is not prime, so it can't be a prime factor.