Q: Is 731,423 a Prime Number?
A: No, 731,423 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 731423 can be evenly divided by 1 7 11 23 49 59 77 161 253 413 539 649 1,127 1,357 1,771 2,891 4,543 9,499 12,397 14,927 31,801 66,493 104,489 and 731,423, with no remainder.
Since 731,423 cannot be divided by just 1 and 731,423, it is not a prime number.