Q: Is 491,620 a Prime Number?
A: No, 491,620 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 491620 can be evenly divided by 1 2 4 5 10 20 47 94 188 235 470 523 940 1,046 2,092 2,615 5,230 10,460 24,581 49,162 98,324 122,905 245,810 and 491,620, with no remainder.
Since 491,620 cannot be divided by just 1 and 491,620, it is not a prime number.