Q: Is 509,240 a Prime Number?
A: No, 509,240 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 509240 can be evenly divided by 1 2 4 5 8 10 20 29 40 58 116 145 232 290 439 580 878 1,160 1,756 2,195 3,512 4,390 8,780 12,731 17,560 25,462 50,924 63,655 101,848 127,310 254,620 and 509,240, with no remainder.
Since 509,240 cannot be divided by just 1 and 509,240, it is not a prime number.