Q: Is 1,258,725 a Prime Number?
A: No, 1,258,725 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 1258725 can be evenly divided by 1 3 5 13 15 25 39 65 75 195 325 975 1,291 3,873 6,455 16,783 19,365 32,275 50,349 83,915 96,825 251,745 419,575 and 1,258,725, with no remainder.
Since 1,258,725 cannot be divided by just 1 and 1,258,725, it is not a prime number.