Q: Is 678,000 a Composite Number?

Why is 678,000 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 678,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 113 120 125 150 200 226 240 250 300 339 375 400 452 500 565 600 678 750 904 1,000 1,130 1,200 1,356 1,500 1,695 1,808 2,000 2,260 2,712 2,825 3,000 3,390 4,520 5,424 5,650 6,000 6,780 8,475 9,040 11,300 13,560 14,125 16,950 22,600 27,120 28,250 33,900 42,375 45,200 56,500 67,800 84,750 113,000 135,600 169,500 226,000 339,000 and 678,000, with no remainder.

Since 678,000 cannot be divided by just 1 and 678,000, 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).