Sphenic Number Calculator

Welcome to use the Sphenic Number Calculator, which can quickly help you check if a number is a sphenic number.

Eg, Is 42 a sphenic number? Enter 42 into the input box and click Calculate button.

What is a sphenic number?

A sphenic number is a positive integer that can be represented by the product of 3 different prime numbers.

For example, Is 42 a sphenic number?

Through the prime factorization calculator, we can get that the prime factorization of 42 is

42 = 2 * 3 * 7

Among them, 2, 3, and 7 are three different prime numbers. So, 42 is a sphenic number.

For another example, Is 44 a sphenic number?

Doing the same, we can get the prime factorization of 44 is

44 = 2 * 2 * 11

where the prime number 2 is repeated. So, 44 is not a sphenic number.

The procedure to use the sphenic number calculator is as follows:

Enter 60 into the input box and click Calculate button, as shown in the figure, 60 is not a sphenic number.

The prime factorization of 60 is

60 = 2 * 2 * 3 * 5 = 2² * 3 * 5

Among them, 2 is repeated. So, 60 is not a sphenic number.

Enter 1030 into the input box and click Calculate button, as shown in the figure, 1030 is not a sphenic number.

The prime factorization of 1030 is

1030 = 2 * 5 * 103

In here, 2, 5 and 103 are all prime numbers. So, 1030 is a sphenic number.