Q: Is 178,500 a Composite Number?

Why is 178,500 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 178,500 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 17 20 21 25 28 30 34 35 42 50 51 60 68 70 75 84 85 100 102 105 119 125 140 150 170 175 204 210 238 250 255 300 340 350 357 375 420 425 476 500 510 525 595 700 714 750 850 875 1,020 1,050 1,190 1,275 1,428 1,500 1,700 1,750 1,785 2,100 2,125 2,380 2,550 2,625 2,975 3,500 3,570 4,250 5,100 5,250 5,950 6,375 7,140 8,500 8,925 10,500 11,900 12,750 14,875 17,850 25,500 29,750 35,700 44,625 59,500 89,250 and 178,500, with no remainder.

Since 178,500 cannot be divided by just 1 and 178,500, 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).