Q: Is 1,600,425 a Prime Number?
A: No, 1,600,425 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 1600425 can be evenly divided by 1 3 5 9 15 25 27 45 75 135 225 675 2,371 7,113 11,855 21,339 35,565 59,275 64,017 106,695 177,825 320,085 533,475 and 1,600,425, with no remainder.
Since 1,600,425 cannot be divided by just 1 and 1,600,425, it is not a prime number.