Q: Is 831,090 a Prime Number?
A: No, 831,090 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 831090 can be evenly divided by 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 2,131 4,262 6,393 10,655 12,786 21,310 27,703 31,965 55,406 63,930 83,109 138,515 166,218 277,030 415,545 and 831,090, with no remainder.
Since 831,090 cannot be divided by just 1 and 831,090, it is not a prime number.