Q: Is 385,000 a Composite Number?

Why is 385,000 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 385,000 can be evenly divided by 1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 280 308 350 385 440 500 550 616 625 700 770 875 1,000 1,100 1,250 1,375 1,400 1,540 1,750 1,925 2,200 2,500 2,750 3,080 3,500 3,850 4,375 5,000 5,500 6,875 7,000 7,700 8,750 9,625 11,000 13,750 15,400 17,500 19,250 27,500 35,000 38,500 48,125 55,000 77,000 96,250 192,500 and 385,000, with no remainder.

Since 385,000 cannot be divided by just 1 and 385,000, 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).