Q: Is 511,280 a Prime Number?
A: No, 511,280 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 511280 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 83 88 110 112 140 154 166 176 220 280 308 332 385 415 440 560 581 616 664 770 830 880 913 1,162 1,232 1,328 1,540 1,660 1,826 2,324 2,905 3,080 3,320 3,652 4,565 4,648 5,810 6,160 6,391 6,640 7,304 9,130 9,296 11,620 12,782 14,608 18,260 23,240 25,564 31,955 36,520 46,480 51,128 63,910 73,040 102,256 127,820 255,640 and 511,280, with no remainder.
Since 511,280 cannot be divided by just 1 and 511,280, it is not a prime number.