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List of primes numbers from 18 to 72

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Answer

There are 13 prime numbers between 18 and 72.

They are:

19232931374143475359
616771

There are 3 tween primes between 18 and 72.

The folowing are the sets of tween primes between 18 and 72:

(29,31); (41,43); (59,61);

The sum of prime numbers between 18 and 72 is 581.

The average of prime numbers between 18 and 72 is 44.692.

The product of prime numbers between 18 and 72 is 1.0929 × 1021.

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 18 to 72 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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