Is 671021 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 671 021 is not a prime number.
For example, 671 021 can be divided by 13: 671 021 / 13 = 51 617.
For 671 021 to be a prime number, it would have been required that 671 021 has only two divisors, i.e., itself and 1.
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