Q: Is 2,487,840 a Composite Number?

Why is 2,487,840 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 2,487,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 71 73 80 96 120 142 146 160 213 219 240 284 292 355 365 426 438 480 568 584 710 730 852 876 1,065 1,095 1,136 1,168 1,420 1,460 1,704 1,752 2,130 2,190 2,272 2,336 2,840 2,920 3,408 3,504 4,260 4,380 5,183 5,680 5,840 6,816 7,008 8,520 8,760 10,366 11,360 11,680 15,549 17,040 17,520 20,732 25,915 31,098 34,080 35,040 41,464 51,830 62,196 77,745 82,928 103,660 124,392 155,490 165,856 207,320 248,784 310,980 414,640 497,568 621,960 829,280 1,243,920 and 2,487,840, with no remainder.

Since 2,487,840 cannot be divided by just 1 and 2,487,840, 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).