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List of primes numbers from 40 to 85

Primes Before Primes Between Composites Before

   
Ex.: 1 to 100, etc.

Answer
There are 11 prime numbers between 40 and 85.

They are:

41434753596167717379
83

There are 3 tween primes between 40 and 85.

The folowing are the sets of tween primes between 40 and 85:

(41,43); (59,61); (71,73);

The sum of prime numbers between 40 and 85 is 677.

The average of prime numbers between 40 and 85 is 61.545.

The product of prime numbers between 40 and 85 is 3.5989 × 1019.

Note: this calculator also includes the starting and the ending number, which form the interval, if they are primes.

You can use this calculator to get the list of prime numbers from 40 to 85 or between any two specified numbers, including them.

What is a prime number?

A prime number is a number which is only divisible by and itself.

Among mathematicians, 1 is universally regarded as non-prime.

Zero has an infinite number of factors; thus not prime or composite.

Definition of tween primes or what are tween primes?

For a pair of primes to be Twins, they must obey the following rule.

If i and j are twin primes, then both i and j must be individually primes and also should differ by 2, i.e. (i−j) = 2 or (j−i) = 2

Examples of tween primes sets (pairs):

(3,5); (5,7); (11,13); (17,19); (29,31); (41,43); (59,61); (71,73);

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