Q: Is 536,840 a Prime Number?
A: No, 536,840 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 536840 can be evenly divided by 1 2 4 5 8 10 20 40 13,421 26,842 53,684 67,105 107,368 134,210 268,420 and 536,840, with no remainder.
Since 536,840 cannot be divided by just 1 and 536,840, it is not a prime number.