Q: Is 577,440 a Composite Number?

Why is 577,440 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 577,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 401 480 720 802 1,203 1,440 1,604 2,005 2,406 3,208 3,609 4,010 4,812 6,015 6,416 7,218 8,020 9,624 12,030 12,832 14,436 16,040 18,045 19,248 24,060 28,872 32,080 36,090 38,496 48,120 57,744 64,160 72,180 96,240 115,488 144,360 192,480 288,720 and 577,440, with no remainder.

Since 577,440 cannot be divided by just 1 and 577,440, 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).