Q: Is 1,639,320 a Composite Number?

Why is 1,639,320 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 1,639,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 719 760 1,140 1,438 2,157 2,280 2,876 3,595 4,314 5,752 7,190 8,628 10,785 13,661 14,380 17,256 21,570 27,322 28,760 40,983 43,140 54,644 68,305 81,966 86,280 109,288 136,610 163,932 204,915 273,220 327,864 409,830 546,440 819,660 and 1,639,320, with no remainder.

Since 1,639,320 cannot be divided by just 1 and 1,639,320, 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).