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Q: How many odd natural numbers between 0 and 40 are prime numbers?
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Related questions

How many prime numbers between 1 and 8888888888888888888888888888888888888888888888?

To determine the number of prime numbers between 1 and 8888888888888888888888888888888888888888888888, we can use the Prime Number Theorem. This theorem states that the density of prime numbers around a large number n is approximately 1/ln(n). Therefore, the number of prime numbers between 1 and 8888888888888888888888888888888888888888888888 can be estimated by dividing ln(8888888888888888888888888888888888888888888888) by ln(2), which gives approximately 1.33 x 10^27 prime numbers.


How many pairs of prime numbers are consecutive natural numbers between 1 and 100?

7


Are there infinitely many natural numbers that are not prime?

This can be an extension to the proof that there are infinitely many prime numbers. If there are infinitely many prime numbers, then there are also infinitely many PRODUCTS of prime numbers. Those numbers that are the product of 2 or more prime numbers are not prime numbers.


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)


How many natural numbers between 1 and 10 can be repesented as product of two or more prime factors?

Between 1 and 10, 2, 3, 5 and 7 are already prime numbers. 4 (2x2), 6 (2x3), 8 (2x2x2) and 9 (3x3) can be represented as a product of prime factors, i.e. four natural numbers between 1 and 10 can be represented as such.


How many prime numbers are between 51-100?

There are ten prime numbers between 51-100.


How many prime numbers is there between 1 and 1000?

There are 168 prime numbers between 1 & 1000.


How many prime numbers are between 201-300?

There are sixteen prime numbers between 201 and 300.


How many prime numbers between 201 and 300?

There are sixteen prime numbers between 201 and 300.


How many prime numbers are between 0-50?

15 prime numbers are between 0 and 50


How many prime numbers are in between 71 to 80?

Prime numbers between 71 to 80 = 73 and 79 Therefore there are 2 prime numbers between 71 to 80.


How many prime numbers lie between 60 and 70?

Two prime numbers, 61 and 67, are the only prime numbers between 60 and 70.