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Prime numbers up to 12 are: 2, 3, 5, 7 and 11

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).

The sum of any two prime numbers may or may not be prime. The sum of the two prime numbers 2 and 3 is the prime number 5, and the sum of the two prime numbers 5 and 7 is the composite number 12.

Related questions

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 prime factorization of 12 is 2 x 2 x 3. So, the prime numbers for 12 are 2 and 3.

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

2/3

1 and 3

2 and 3