Q: Is 671,842 a Prime Number?
A: No, 671,842 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 671842 can be evenly divided by 1 2 283 566 1,187 2,374 335,921 and 671,842, with no remainder.
Since 671,842 cannot be divided by just 1 and 671,842, it is not a prime number.