Is 120428 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 428 is not a prime number.
For example, 120 428 can be divided by 2: 120 428 / 2 = 60 214.
For 120 428 to be a prime number, it would have been required that 120 428 has only two divisors, i.e., itself and 1.
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