Q: Is 725,140 a Prime Number?
A: No, 725,140 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 725140 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 2,789 5,578 11,156 13,945 27,890 36,257 55,780 72,514 145,028 181,285 362,570 and 725,140, with no remainder.
Since 725,140 cannot be divided by just 1 and 725,140, it is not a prime number.