Q: Is 1,368,400 a Composite Number?

Why is 1,368,400 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 1,368,400 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 311 400 440 550 622 880 1,100 1,244 1,555 2,200 2,488 3,110 3,421 4,400 4,976 6,220 6,842 7,775 12,440 13,684 15,550 17,105 24,880 27,368 31,100 34,210 54,736 62,200 68,420 85,525 124,400 136,840 171,050 273,680 342,100 684,200 and 1,368,400, with no remainder.

Since 1,368,400 cannot be divided by just 1 and 1,368,400, 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).