Q: Is 420,450 a Prime Number?
A: No, 420,450 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 420450 can be evenly divided by 1 2 3 5 6 10 15 25 30 50 75 150 2,803 5,606 8,409 14,015 16,818 28,030 42,045 70,075 84,090 140,150 210,225 and 420,450, with no remainder.
Since 420,450 cannot be divided by just 1 and 420,450, it is not a prime number.