Q: Is 1,396,720 a Composite Number?

Why is 1,396,720 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 1,396,720 can be evenly divided by 1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 79 80 85 104 130 136 158 170 208 221 260 272 316 340 395 442 520 632 680 790 884 1,027 1,040 1,105 1,264 1,343 1,360 1,580 1,768 2,054 2,210 2,686 3,160 3,536 4,108 4,420 5,135 5,372 6,320 6,715 8,216 8,840 10,270 10,744 13,430 16,432 17,459 17,680 20,540 21,488 26,860 34,918 41,080 53,720 69,836 82,160 87,295 107,440 139,672 174,590 279,344 349,180 698,360 and 1,396,720, with no remainder.

Since 1,396,720 cannot be divided by just 1 and 1,396,720, 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).