Q: Is 868,420 a Prime Number?
A: No, 868,420 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 868420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 6,203 12,406 24,812 31,015 43,421 62,030 86,842 124,060 173,684 217,105 434,210 and 868,420, with no remainder.
Since 868,420 cannot be divided by just 1 and 868,420, it is not a prime number.