Q: Is 20,250,400 a Composite Number?

Why is 20,250,400 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 20,250,400 can be evenly divided by 1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 1,360 1,489 1,700 2,720 2,978 3,400 5,956 6,800 7,445 11,912 13,600 14,890 23,824 25,313 29,780 37,225 47,648 50,626 59,560 74,450 101,252 119,120 126,565 148,900 202,504 238,240 253,130 297,800 405,008 506,260 595,600 632,825 810,016 1,012,520 1,191,200 1,265,650 2,025,040 2,531,300 4,050,080 5,062,600 10,125,200 and 20,250,400, with no remainder.

Since 20,250,400 cannot be divided by just 1 and 20,250,400, 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).