Q: Is 205,425 a Prime Number?
A: No, 205,425 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 205425 can be evenly divided by 1 3 5 9 11 15 25 33 45 55 75 83 99 165 225 249 275 415 495 747 825 913 1,245 2,075 2,475 2,739 3,735 4,565 6,225 8,217 13,695 18,675 22,825 41,085 68,475 and 205,425, with no remainder.
Since 205,425 cannot be divided by just 1 and 205,425, it is not a prime number.