Q: Is 1,678,500 a Composite Number?

Why is 1,678,500 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 1,678,500 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 125 150 180 225 250 300 373 375 450 500 746 750 900 1,119 1,125 1,492 1,500 1,865 2,238 2,250 3,357 3,730 4,476 4,500 5,595 6,714 7,460 9,325 11,190 13,428 16,785 18,650 22,380 27,975 33,570 37,300 46,625 55,950 67,140 83,925 93,250 111,900 139,875 167,850 186,500 279,750 335,700 419,625 559,500 839,250 and 1,678,500, with no remainder.

Since 1,678,500 cannot be divided by just 1 and 1,678,500, 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).