Q: Is 826,420 a Prime Number?
A: No, 826,420 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 826420 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 5,903 11,806 23,612 29,515 41,321 59,030 82,642 118,060 165,284 206,605 413,210 and 826,420, with no remainder.
Since 826,420 cannot be divided by just 1 and 826,420, it is not a prime number.