Q: Is 672,318 a Prime Number?
A: No, 672,318 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 672318 can be evenly divided by 1 2 3 6 9 18 41 82 123 246 369 738 911 1,822 2,733 5,466 8,199 16,398 37,351 74,702 112,053 224,106 336,159 and 672,318, with no remainder.
Since 672,318 cannot be divided by just 1 and 672,318, it is not a prime number.