Q: Is 400,673 a Prime Number?
A: No, 400,673 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 400673 can be evenly divided by 1 7 13 17 37 49 91 119 221 259 481 629 637 833 1,547 1,813 3,367 4,403 8,177 10,829 23,569 30,821 57,239 and 400,673, with no remainder.
Since 400,673 cannot be divided by just 1 and 400,673, it is not a prime number.