Q: Is 15,826,400 a Composite Number?

Why is 15,826,400 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 15,826,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 73 80 100 146 160 200 271 292 365 400 542 584 730 800 1,084 1,168 1,355 1,460 1,825 2,168 2,336 2,710 2,920 3,650 4,336 5,420 5,840 6,775 7,300 8,672 10,840 11,680 13,550 14,600 19,783 21,680 27,100 29,200 39,566 43,360 54,200 58,400 79,132 98,915 108,400 158,264 197,830 216,800 316,528 395,660 494,575 633,056 791,320 989,150 1,582,640 1,978,300 3,165,280 3,956,600 7,913,200 and 15,826,400, with no remainder.

Since 15,826,400 cannot be divided by just 1 and 15,826,400, 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).