Q: Is 1,238,458 a Prime Number?
A: No, 1,238,458 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 1238458 can be evenly divided by 1 2 13 19 23 26 38 46 109 218 247 299 437 494 598 874 1,417 2,071 2,507 2,834 4,142 5,014 5,681 11,362 26,923 32,591 47,633 53,846 65,182 95,266 619,229 and 1,238,458, with no remainder.
Since 1,238,458 cannot be divided by just 1 and 1,238,458, it is not a prime number.