Q: Is 256,425 a Prime Number?
A: No, 256,425 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 256425 can be evenly divided by 1 3 5 13 15 25 39 65 75 195 263 325 789 975 1,315 3,419 3,945 6,575 10,257 17,095 19,725 51,285 85,475 and 256,425, with no remainder.
Since 256,425 cannot be divided by just 1 and 256,425, it is not a prime number.