Q: Is 143,640 a Composite Number?

Why is 143,640 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 143,640 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 27 28 30 35 36 38 40 42 45 54 56 57 60 63 70 72 76 84 90 95 105 108 114 120 126 133 135 140 152 168 171 180 189 190 210 216 228 252 266 270 280 285 315 342 360 378 380 399 420 456 504 513 532 540 570 630 665 684 756 760 798 840 855 945 1,026 1,064 1,080 1,140 1,197 1,260 1,330 1,368 1,512 1,596 1,710 1,890 1,995 2,052 2,280 2,394 2,520 2,565 2,660 3,192 3,420 3,591 3,780 3,990 4,104 4,788 5,130 5,320 5,985 6,840 7,182 7,560 7,980 9,576 10,260 11,970 14,364 15,960 17,955 20,520 23,940 28,728 35,910 47,880 71,820 and 143,640, with no remainder.

Since 143,640 cannot be divided by just 1 and 143,640, 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).