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The prime numbers between 20 and 40 are 23, 29, 31 and 37 that is 4 out of 20 or 1 to 5

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Charlene Shields

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Q: What is the ratio of number of primes and number of composite between 20 and 40?
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What is the ratio of prime numbers to composite numbers in this list 2 3 4 5 6 7 8 9 10?

Number of primes = 4 Number of composites = 5 Ratio of primes to composites = 4 : 5


What is the ratio of number of primes and composites between 20 and 30?

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4 to 15 exclusive 4 to 17 inclusive


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What is the ratio of number of primes and number of composites between 20 and 40?

The prime numbers between 20 and 40 are 23, 29, 31 and 37 that is 4 out of 20 or 1 to 5


What are all the prime numbers 1000-1500?

the answer could have something to the ratio of prime numbers between 0 and 9 to the the number of prime primes between 9 and 625 and the number of primes between the square 25x25. Hint: the are 9 primes between 0 and 25. There are 114 primes between 25 and 625. There is a square number somewhere near 1000. 961 which is the Mercienne prime number 31 squared. without giving the answer away, by dividing 625 by 9 we get the ratio 12.6666667 or 12 and 2 3rds. this is one of many ratio to help find how many prime numbers within a given range. once the precise ascending pattern of prime numbers is discovered then any prime number to infinity can be calculated and identified disclosure: this information is designed to provide food for thought on the matter of the question above and is not a precise answer.


What is the ratio of number of primes and numbers of composites between 20 and 40?

The prime numbers between 20 and 40 are 23, 29, 31 and 37 that is 4 out of 20 or 1 to 5


What is the ratio of the number of one-digit prime numbers and the number of one-digit composite numbers?

The ratio of the number of one-digit prime numbers to the number of one-digit composite numbers is one to one. The one-digit prime numbers are 2, 3, 5, and 7. The one-digit composite numbers are 4, 6, 8, and 9. Therefor, the ratio is 4:4, which simplifies to 1:1.


What is the sum ratio of the number of one digit prime numbers and the number of one digit composite numbers?

There are four of each.


How do you determine the ratio between two sets of gears?

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What is the ratio of 1 digit prime numbers and 1 digit composite number?

4/4 = 1