There would be only 1 Prime number 2.
So all of the encryption and codes would not work or be different.
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even numbers
All even numbers from 4 upwards are composite numbers and that 2 is the only even prime number.
2 is the only even prime number, because all other even numbers can be divided as 2.
There is an infinite number of even numbers. 2 is the only even prime number.
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