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

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โˆ™ 2012-12-28 13:56:08
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What is the prime factorization of 24

What is the prime factorization of 54

What is the prime factorization of 64

What is the prime factorization of 34

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Q: What fraction represents the number of prime numbers from 1-20?
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Related questions

Is 40 out of 103 a prime number?

40 out of 103 is a fraction. Prime numbers are whole numbers. A fraction cannot be a prime number, so 40 out of 103 is not a prime number.


Can a prime number be used in a fraction?

Yes, a prime number can be used in a fraction. For example, 7/9, where 7 is the prime number. Or 7/13, where both are prime numbers.


Is every prime number a rational number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is this rational number is a prime number 29?

29 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is 1423 over 2642 prime?

No - prime numbers are integers - a fraction cannot be a prime number.


Write the natural numbers 1to15 what fraction of them are prime numbers what fraction of them are the composite number?

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


What is the relationship between prime numbers and rational numbers?

All prime numbers are rational number because they can be expressed as 'top heavy' fractions as for example the prime number 3 as a fraction is 3/1


How many natural number are there from 2 to 10 What fraction of them are prime numbers?

9 natural numbers. 4/9 are prime. (this ryhmes)


Is 3.6 a prime number?

No. The concept of prime is applicable for integers, not for fractions. This is because every non-zero fraction can go into every fraction and so when fractions are considered, there are no prime numbers.


How can you tell if a fraction is reduced?

If one of the numbers is prime and doesn't go into the other number Or the numbers have no common factors.


What fraction of the numbers from 1 to 50 are prime numbers?

3/10 are prime.


What are the prime factor for each number?

If the numbers are prime numbers, the prime factor of each number is the number itself. If the numbers are not prime numbers, the prime factors of each number are each of the prime numbers by which the number in question can be divided without a remainder.

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