Q: Is 831,520 a Prime Number?
A: No, 831,520 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 831520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 5,197 10,394 20,788 25,985 41,576 51,970 83,152 103,940 166,304 207,880 415,760 and 831,520, with no remainder.
Since 831,520 cannot be divided by just 1 and 831,520, it is not a prime number.