Tool to automatically detect the parity of a list of numbers. The parity of a number is the property that to be (or not to be) a multiple of two. An integer multiple of 2 is an even integer, the others are odd integers.

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Tool to automatically detect the parity of a list of numbers. The parity of a number is the property that to be (or not to be) a multiple of two. An integer multiple of 2 is an even integer, the others are odd integers.

Answers to Questions

How to check if a number is even?

A number is even if it is a multiple of 2. It is therefore sufficient to check if the number has 2 as a divisor, ie the remainder of the division by 2 is equal to 0.

The calculation modulo 2 (denoted % 2) is widespread in computing to check the parity of a number. The calculation returns 1=true if the number is odd and 0=false if the number is even.

Example: 1234%2=0 therefore 1234 is even

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