Q: Is 490,580 a Prime Number?
A: No, 490,580 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 490580 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 1,291 2,582 5,164 6,455 12,910 24,529 25,820 49,058 98,116 122,645 245,290 and 490,580, with no remainder.
Since 490,580 cannot be divided by just 1 and 490,580, it is not a prime number.