Q: Is 1,500,225 a Prime Number?
A: No, 1,500,225 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 1500225 can be evenly divided by 1 3 5 15 25 75 83 241 249 415 723 1,205 1,245 2,075 3,615 6,025 6,225 18,075 20,003 60,009 100,015 300,045 500,075 and 1,500,225, with no remainder.
Since 1,500,225 cannot be divided by just 1 and 1,500,225, it is not a prime number.