Q: Is 672,315 a Prime Number?
A: No, 672,315 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 672315 can be evenly divided by 1 3 5 7 15 19 21 35 57 95 105 133 285 337 399 665 1,011 1,685 1,995 2,359 5,055 6,403 7,077 11,795 19,209 32,015 35,385 44,821 96,045 134,463 224,105 and 672,315, with no remainder.
Since 672,315 cannot be divided by just 1 and 672,315, it is not a prime number.