Q: Is 900,225 a Prime Number?
A: No, 900,225 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 900225 can be evenly divided by 1 3 5 9 15 25 45 75 225 4,001 12,003 20,005 36,009 60,015 100,025 180,045 300,075 and 900,225, with no remainder.
Since 900,225 cannot be divided by just 1 and 900,225, it is not a prime number.