Q: Is 40,425 a Prime Number?
A: No, 40,425 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 40425 can be evenly divided by 1 3 5 7 11 15 21 25 33 35 49 55 75 77 105 147 165 175 231 245 275 385 525 539 735 825 1,155 1,225 1,617 1,925 2,695 3,675 5,775 8,085 13,475 and 40,425, with no remainder.
Since 40,425 cannot be divided by just 1 and 40,425, it is not a prime number.