Q: Is 28,402,400 a Composite Number?

Why is 28,402,400 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 28,402,400 can be evenly divided by 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1,040 1,300 2,080 2,600 2,731 5,200 5,462 10,400 10,924 13,655 21,848 27,310 35,503 43,696 54,620 68,275 71,006 87,392 109,240 136,550 142,012 177,515 218,480 273,100 284,024 355,030 436,960 546,200 568,048 710,060 887,575 1,092,400 1,136,096 1,420,120 1,775,150 2,184,800 2,840,240 3,550,300 5,680,480 7,100,600 14,201,200 and 28,402,400, with no remainder.

Since 28,402,400 cannot be divided by just 1 and 28,402,400, 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).