Q: Is 72,225 a Prime Number?
A: No, 72,225 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 72225 can be evenly divided by 1 3 5 9 15 25 27 45 75 107 135 225 321 535 675 963 1,605 2,675 2,889 4,815 8,025 14,445 24,075 and 72,225, with no remainder.
Since 72,225 cannot be divided by just 1 and 72,225, it is not a prime number.