Q: Is 64,420 a Prime Number?
A: No, 64,420 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 64420 can be evenly divided by 1 2 4 5 10 20 3,221 6,442 12,884 16,105 32,210 and 64,420, with no remainder.
Since 64,420 cannot be divided by just 1 and 64,420, it is not a prime number.