Q: Is 321,313,400 a Composite Number?

Why is 321,313,400 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 321,313,400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 1,129 1,423 2,258 2,846 4,516 5,645 5,692 7,115 9,032 11,290 11,384 14,230 22,580 28,225 28,460 35,575 45,160 56,450 56,920 71,150 112,900 142,300 225,800 284,600 1,606,567 3,213,134 6,426,268 8,032,835 12,852,536 16,065,670 32,131,340 40,164,175 64,262,680 80,328,350 160,656,700 and 321,313,400, with no remainder.

Since 321,313,400 cannot be divided by just 1 and 321,313,400, 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).