Q: Is 129,600 a Composite Number?

Why is 129,600 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 129,600 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 81 90 96 100 108 120 135 144 150 160 162 180 192 200 216 225 240 270 288 300 320 324 360 400 405 432 450 480 540 576 600 648 675 720 800 810 864 900 960 1,080 1,200 1,296 1,350 1,440 1,600 1,620 1,728 1,800 2,025 2,160 2,400 2,592 2,700 2,880 3,240 3,600 4,050 4,320 4,800 5,184 5,400 6,480 7,200 8,100 8,640 10,800 12,960 14,400 16,200 21,600 25,920 32,400 43,200 64,800 and 129,600, with no remainder.

Since 129,600 cannot be divided by just 1 and 129,600, 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).