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Q: What fraction of the. numbers from 2 to 12 prime numbers?

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2/5 of the numbers from 1 to 20 are prime numbers

The prime numbers are: 2 3 5 7 11 and 13 so therefore as a fraction of 15 it is 6/15 or 2/5 simplified

2/5 are prime, 8/15 are composite (and 1/15 is neither).

The numbers 2, 3, 5, 7 and 11 are prime (including the boundaries).

Prime factors are factors that are prime numbers. Example; The factors of 12 is 1, 2, 3, 4, 6 and 12. The prime factor of 12 would be 2 and 3 because they are the only prime numbers in the factor. This is edited by someone else. This is not by her.

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5/11

The natural numbers from 1 to 12 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 The prime numbers between 1 and 12 are: 2, 3, 5, 7, 11 This is a total of 5/12 prime numbers.

The prime factorization of 12 is 2 x 2 x 3.

The prime factorization of 12 is: 2 x 6 2 x 2 x 3. The prime numbers that are factors of 12 are 2 and 3.

2/5 of the numbers from 1 to 20 are prime numbers

2 and 3 are prime numbers that are factors of 12. There is an infinite list of prime numbers that aren't.

The prime numbers are: 2 3 5 7 11 and 13 so therefore as a fraction of 15 it is 6/15 or 2/5 simplified

The numbers 2 and 3 are the prime factor of 12.

2 and 3

2 and 3

2/3

2/5 are prime, 8/15 are composite (and 1/15 is neither).

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