Q: Is 18,670,400 a Composite Number?

Why is 18,670,400 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 18,670,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 140 160 175 200 224 280 320 350 400 448 560 700 800 1,120 1,400 1,600 1,667 2,240 2,800 3,334 5,600 6,668 8,335 11,200 11,669 13,336 16,670 23,338 26,672 33,340 41,675 46,676 53,344 58,345 66,680 83,350 93,352 106,688 116,690 133,360 166,700 186,704 233,380 266,720 291,725 333,400 373,408 466,760 533,440 583,450 666,800 746,816 933,520 1,166,900 1,333,600 1,867,040 2,333,800 2,667,200 3,734,080 4,667,600 9,335,200 and 18,670,400, with no remainder.

Since 18,670,400 cannot be divided by just 1 and 18,670,400, 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).