Q: Is 671,238 a Prime Number?
A: No, 671,238 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 671238 can be evenly divided by 1 2 3 6 9 18 89 178 267 419 534 801 838 1,257 1,602 2,514 3,771 7,542 37,291 74,582 111,873 223,746 335,619 and 671,238, with no remainder.
Since 671,238 cannot be divided by just 1 and 671,238, it is not a prime number.