Q: Is 579,820 a Prime Number?
A: No, 579,820 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 579820 can be evenly divided by 1 2 4 5 10 20 53 106 212 265 530 547 1,060 1,094 2,188 2,735 5,470 10,940 28,991 57,982 115,964 144,955 289,910 and 579,820, with no remainder.
Since 579,820 cannot be divided by just 1 and 579,820, it is not a prime number.