Q: Is 840,920 a Prime Number?
A: No, 840,920 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 840920 can be evenly divided by 1 2 4 5 8 10 20 40 21,023 42,046 84,092 105,115 168,184 210,230 420,460 and 840,920, with no remainder.
Since 840,920 cannot be divided by just 1 and 840,920, it is not a prime number.