Q: Is 508,640 a Prime Number?
A: No, 508,640 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 508640 can be evenly divided by 1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 68 80 85 88 110 136 160 170 176 187 220 272 289 340 352 374 440 544 578 680 748 880 935 1,156 1,360 1,445 1,496 1,760 1,870 2,312 2,720 2,890 2,992 3,179 3,740 4,624 5,780 5,984 6,358 7,480 9,248 11,560 12,716 14,960 15,895 23,120 25,432 29,920 31,790 46,240 50,864 63,580 101,728 127,160 254,320 and 508,640, with no remainder.
Since 508,640 cannot be divided by just 1 and 508,640, it is not a prime number.