Q: Is 509,580 a Prime Number?
A: No, 509,580 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 509580 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 149 171 180 190 228 285 298 342 380 447 570 596 684 745 855 894 1,140 1,341 1,490 1,710 1,788 2,235 2,682 2,831 2,980 3,420 4,470 5,364 5,662 6,705 8,493 8,940 11,324 13,410 14,155 16,986 25,479 26,820 28,310 33,972 42,465 50,958 56,620 84,930 101,916 127,395 169,860 254,790 and 509,580, with no remainder.
Since 509,580 cannot be divided by just 1 and 509,580, it is not a prime number.