Q: Is 1,623,240 a Composite Number?

Why is 1,623,240 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 1,623,240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 167 180 216 243 270 324 334 360 405 486 501 540 648 668 810 835 972 1,002 1,080 1,215 1,336 1,503 1,620 1,670 1,944 2,004 2,430 2,505 3,006 3,240 3,340 4,008 4,509 4,860 5,010 6,012 6,680 7,515 9,018 9,720 10,020 12,024 13,527 15,030 18,036 20,040 22,545 27,054 30,060 36,072 40,581 45,090 54,108 60,120 67,635 81,162 90,180 108,216 135,270 162,324 180,360 202,905 270,540 324,648 405,810 541,080 811,620 and 1,623,240, with no remainder.

Since 1,623,240 cannot be divided by just 1 and 1,623,240, 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).