Q: Is 536,420 a Prime Number?
A: No, 536,420 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 536420 can be evenly divided by 1 2 4 5 10 20 26,821 53,642 107,284 134,105 268,210 and 536,420, with no remainder.
Since 536,420 cannot be divided by just 1 and 536,420, it is not a prime number.