Q: Is 1,338,400 a Composite Number?

Why is 1,338,400 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 1,338,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 239 280 350 400 478 560 700 800 956 1,120 1,195 1,400 1,673 1,912 2,390 2,800 3,346 3,824 4,780 5,600 5,975 6,692 7,648 8,365 9,560 11,950 13,384 16,730 19,120 23,900 26,768 33,460 38,240 41,825 47,800 53,536 66,920 83,650 95,600 133,840 167,300 191,200 267,680 334,600 669,200 and 1,338,400, with no remainder.

Since 1,338,400 cannot be divided by just 1 and 1,338,400, 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).