Q: Is 8,638,000 a Composite Number?

Why is 8,638,000 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 8,638,000 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 617 700 875 1,000 1,234 1,400 1,750 2,000 2,468 2,800 3,085 3,500 4,319 4,936 6,170 7,000 8,638 9,872 12,340 14,000 15,425 17,276 21,595 24,680 30,850 34,552 43,190 49,360 61,700 69,104 77,125 86,380 107,975 123,400 154,250 172,760 215,950 246,800 308,500 345,520 431,900 539,875 617,000 863,800 1,079,750 1,234,000 1,727,600 2,159,500 4,319,000 and 8,638,000, with no remainder.

Since 8,638,000 cannot be divided by just 1 and 8,638,000, 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).