Is 42731 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 731 is not a prime number.
For example, 42 731 can be divided by 13: 42 731 / 13 = 3 287.
For 42 731 to be a prime number, it would have been required that 42 731 has only two divisors, i.e., itself and 1.
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