Q: Is 400,124,320 a Composite Number?

Why is 400,124,320 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 400,124,320 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 1,061 2,122 2,357 4,244 4,714 5,305 8,488 9,428 10,610 11,785 16,976 18,856 21,220 23,570 33,952 37,712 42,440 47,140 75,424 84,880 94,280 169,760 188,560 377,120 2,500,777 5,001,554 10,003,108 12,503,885 20,006,216 25,007,770 40,012,432 50,015,540 80,024,864 100,031,080 200,062,160 and 400,124,320, with no remainder.

Since 400,124,320 cannot be divided by just 1 and 400,124,320, 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).