Q: Is 725,490 a Prime Number?
A: No, 725,490 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 725490 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 2,687 5,374 8,061 13,435 16,122 24,183 26,870 40,305 48,366 72,549 80,610 120,915 145,098 241,830 362,745 and 725,490, with no remainder.
Since 725,490 cannot be divided by just 1 and 725,490, it is not a prime number.