Q: Is 509,640 a Prime Number?
A: No, 509,640 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 509640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 137 155 186 248 274 310 372 411 465 548 620 685 744 822 930 1,096 1,240 1,370 1,644 1,860 2,055 2,740 3,288 3,720 4,110 4,247 5,480 8,220 8,494 12,741 16,440 16,988 21,235 25,482 33,976 42,470 50,964 63,705 84,940 101,928 127,410 169,880 254,820 and 509,640, with no remainder.
Since 509,640 cannot be divided by just 1 and 509,640, it is not a prime number.