Q: Is 162,000 a Composite Number?

Why is 162,000 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 162,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 81 90 100 108 120 125 135 144 150 162 180 200 216 225 240 250 270 300 324 360 375 400 405 432 450 500 540 600 648 675 720 750 810 900 1,000 1,080 1,125 1,200 1,296 1,350 1,500 1,620 1,800 2,000 2,025 2,160 2,250 2,700 3,000 3,240 3,375 3,600 4,050 4,500 5,400 6,000 6,480 6,750 8,100 9,000 10,125 10,800 13,500 16,200 18,000 20,250 27,000 32,400 40,500 54,000 81,000 and 162,000, with no remainder.

Since 162,000 cannot be divided by just 1 and 162,000, 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).