Q: Is 191,520 a Composite Number?

Why is 191,520 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 191,520 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 24 28 30 32 35 36 38 40 42 45 48 56 57 60 63 70 72 76 80 84 90 95 96 105 112 114 120 126 133 140 144 152 160 168 171 180 190 210 224 228 240 252 266 280 285 288 304 315 336 342 360 380 399 420 456 480 504 532 560 570 608 630 665 672 684 720 760 798 840 855 912 1,008 1,064 1,120 1,140 1,197 1,260 1,330 1,368 1,440 1,520 1,596 1,680 1,710 1,824 1,995 2,016 2,128 2,280 2,394 2,520 2,660 2,736 3,040 3,192 3,360 3,420 3,990 4,256 4,560 4,788 5,040 5,320 5,472 5,985 6,384 6,840 7,980 9,120 9,576 10,080 10,640 11,970 12,768 13,680 15,960 19,152 21,280 23,940 27,360 31,920 38,304 47,880 63,840 95,760 and 191,520, with no remainder.

Since 191,520 cannot be divided by just 1 and 191,520, 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).