Q: Is 420,465 a Prime Number?
A: No, 420,465 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 420465 can be evenly divided by 1 3 5 15 28,031 84,093 140,155 and 420,465, with no remainder.
Since 420,465 cannot be divided by just 1 and 420,465, it is not a prime number.