Q: Is 509,320 a Prime Number?
A: No, 509,320 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 509320 can be evenly divided by 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 107 119 136 140 170 214 238 280 340 428 476 535 595 680 749 856 952 1,070 1,190 1,498 1,819 2,140 2,380 2,996 3,638 3,745 4,280 4,760 5,992 7,276 7,490 9,095 12,733 14,552 14,980 18,190 25,466 29,960 36,380 50,932 63,665 72,760 101,864 127,330 254,660 and 509,320, with no remainder.
Since 509,320 cannot be divided by just 1 and 509,320, it is not a prime number.