Q: Is 506,649 a Prime Number?
A: No, 506,649 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 506649 can be evenly divided by 1 3 11 13 33 39 143 429 1,181 3,543 12,991 15,353 38,973 46,059 168,883 and 506,649, with no remainder.
Since 506,649 cannot be divided by just 1 and 506,649, it is not a prime number.