Q: Is 1,798,400 a Composite Number?

Why is 1,798,400 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 1,798,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 281 320 400 562 640 800 1,124 1,280 1,405 1,600 2,248 2,810 3,200 4,496 5,620 6,400 7,025 8,992 11,240 14,050 17,984 22,480 28,100 35,968 44,960 56,200 71,936 89,920 112,400 179,840 224,800 359,680 449,600 899,200 and 1,798,400, with no remainder.

Since 1,798,400 cannot be divided by just 1 and 1,798,400, 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).