Q: Is 15,946,320 a Composite Number?

Why is 15,946,320 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 15,946,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 48 52 57 60 65 76 78 80 95 104 114 120 130 152 156 190 195 208 228 240 247 260 269 285 304 312 380 390 456 494 520 538 570 624 741 760 780 807 912 988 1,040 1,076 1,140 1,235 1,345 1,482 1,520 1,560 1,614 1,976 2,152 2,280 2,470 2,690 2,964 3,120 3,228 3,497 3,705 3,952 4,035 4,304 4,560 4,940 5,111 5,380 5,928 6,456 6,994 7,410 8,070 9,880 10,222 10,491 10,760 11,856 12,912 13,988 14,820 15,333 16,140 17,485 19,760 20,444 20,982 21,520 25,555 27,976 29,640 30,666 32,280 34,970 40,888 41,964 51,110 52,455 55,952 59,280 61,332 64,560 66,443 69,940 76,665 81,776 83,928 102,220 104,910 122,664 132,886 139,880 153,330 167,856 199,329 204,440 209,820 245,328 265,772 279,760 306,660 332,215 398,658 408,880 419,640 531,544 613,320 664,430 797,316 839,280 996,645 1,063,088 1,226,640 1,328,860 1,594,632 1,993,290 2,657,720 3,189,264 3,986,580 5,315,440 7,973,160 and 15,946,320, with no remainder.

Since 15,946,320 cannot be divided by just 1 and 15,946,320, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).