Q: Is 18,476,400 a Composite Number?

Why is 18,476,400 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 18,476,400 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 89 100 120 150 173 178 200 240 267 300 346 356 400 445 519 534 600 692 712 865 890 1,038 1,068 1,200 1,335 1,384 1,424 1,730 1,780 2,076 2,136 2,225 2,595 2,670 2,768 3,460 3,560 4,152 4,272 4,325 4,450 5,190 5,340 6,675 6,920 7,120 8,304 8,650 8,900 10,380 10,680 12,975 13,350 13,840 15,397 17,300 17,800 20,760 21,360 25,950 26,700 30,794 34,600 35,600 41,520 46,191 51,900 53,400 61,588 69,200 76,985 92,382 103,800 106,800 123,176 153,970 184,764 207,600 230,955 246,352 307,940 369,528 384,925 461,910 615,880 739,056 769,850 923,820 1,154,775 1,231,760 1,539,700 1,847,640 2,309,550 3,079,400 3,695,280 4,619,100 6,158,800 9,238,200 and 18,476,400, with no remainder.

Since 18,476,400 cannot be divided by just 1 and 18,476,400, 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).