Q: Is 25,078,500 a Composite Number?

Why is 25,078,500 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 25,078,500 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 125 150 180 225 250 300 375 450 500 750 900 1,125 1,500 2,250 4,500 5,573 11,146 16,719 22,292 27,865 33,438 50,157 55,730 66,876 83,595 100,314 111,460 139,325 167,190 200,628 250,785 278,650 334,380 417,975 501,570 557,300 696,625 835,950 1,003,140 1,253,925 1,393,250 1,671,900 2,089,875 2,507,850 2,786,500 4,179,750 5,015,700 6,269,625 8,359,500 12,539,250 and 25,078,500, with no remainder.

Since 25,078,500 cannot be divided by just 1 and 25,078,500, 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).