2/5 of the numbers from 1 to 20 are prime numbers
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.
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.
Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
29 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
No - prime numbers are integers - a fraction cannot be a prime number.
2/5 are prime, 8/15 are composite (and 1/15 is neither).
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
9 natural numbers. 4/9 are prime. (this ryhmes)
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.
If one of the numbers is prime and doesn't go into the other number Or the numbers have no common factors.
3/10 are prime.
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.