Q: Is 509,436 a Prime Number?
A: No, 509,436 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 509436 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 53 54 89 106 108 159 178 212 267 318 356 477 534 636 801 954 1,068 1,431 1,602 1,908 2,403 2,862 3,204 4,717 4,806 5,724 9,434 9,612 14,151 18,868 28,302 42,453 56,604 84,906 127,359 169,812 254,718 and 509,436, with no remainder.
Since 509,436 cannot be divided by just 1 and 509,436, it is not a prime number.