Q: Is 400,748 a Prime Number?
A: No, 400,748 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 400748 can be evenly divided by 1 2 4 19 38 76 5,273 10,546 21,092 100,187 200,374 and 400,748, with no remainder.
Since 400,748 cannot be divided by just 1 and 400,748, it is not a prime number.