Q: Is 726,225 a Prime Number?
A: No, 726,225 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 726225 can be evenly divided by 1 3 5 15 23 25 69 75 115 345 421 575 1,263 1,725 2,105 6,315 9,683 10,525 29,049 31,575 48,415 145,245 242,075 and 726,225, with no remainder.
Since 726,225 cannot be divided by just 1 and 726,225, it is not a prime number.