Q: Is 1,420,000 a Composite Number?

Why is 1,420,000 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 1,420,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 71 80 100 125 142 160 200 250 284 355 400 500 568 625 710 800 1,000 1,136 1,250 1,420 1,775 2,000 2,272 2,500 2,840 3,550 4,000 5,000 5,680 7,100 8,875 10,000 11,360 14,200 17,750 20,000 28,400 35,500 44,375 56,800 71,000 88,750 142,000 177,500 284,000 355,000 710,000 and 1,420,000, with no remainder.

Since 1,420,000 cannot be divided by just 1 and 1,420,000, 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).