Q: Is 1,918,000 a Composite Number?

Why is 1,918,000 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 1,918,000 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 137 140 175 200 250 274 280 350 400 500 548 560 685 700 875 959 1,000 1,096 1,370 1,400 1,750 1,918 2,000 2,192 2,740 2,800 3,425 3,500 3,836 4,795 5,480 6,850 7,000 7,672 9,590 10,960 13,700 14,000 15,344 17,125 19,180 23,975 27,400 34,250 38,360 47,950 54,800 68,500 76,720 95,900 119,875 137,000 191,800 239,750 274,000 383,600 479,500 959,000 and 1,918,000, with no remainder.

Since 1,918,000 cannot be divided by just 1 and 1,918,000, 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).