Q: Is 820,136 a Prime Number?
A: No, 820,136 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 820136 can be evenly divided by 1 2 4 8 31 62 124 248 3,307 6,614 13,228 26,456 102,517 205,034 410,068 and 820,136, with no remainder.
Since 820,136 cannot be divided by just 1 and 820,136, it is not a prime number.