Q: Is 1,408,400 a Composite Number?

Why is 1,408,400 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 1,408,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 503 560 700 1,006 1,400 2,012 2,515 2,800 3,521 4,024 5,030 7,042 8,048 10,060 12,575 14,084 17,605 20,120 25,150 28,168 35,210 40,240 50,300 56,336 70,420 88,025 100,600 140,840 176,050 201,200 281,680 352,100 704,200 and 1,408,400, with no remainder.

Since 1,408,400 cannot be divided by just 1 and 1,408,400, 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).