Q: Is 78,000 a Composite Number?

Why is 78,000 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 78,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 75 78 80 100 104 120 125 130 150 156 195 200 208 240 250 260 300 312 325 375 390 400 500 520 600 624 650 750 780 975 1,000 1,040 1,200 1,300 1,500 1,560 1,625 1,950 2,000 2,600 3,000 3,120 3,250 3,900 4,875 5,200 6,000 6,500 7,800 9,750 13,000 15,600 19,500 26,000 39,000 and 78,000, with no remainder.

Since 78,000 cannot be divided by just 1 and 78,000, 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).