Q: Is 18,388,800 a Composite Number?

Why is 18,388,800 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 18,388,800 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1,200 1,277 1,440 1,600 1,800 2,400 2,554 2,880 3,600 3,831 4,800 5,108 6,385 7,200 7,662 10,216 11,493 12,770 14,400 15,324 19,155 20,432 22,986 25,540 30,648 31,925 38,310 40,864 45,972 51,080 57,465 61,296 63,850 76,620 81,728 91,944 95,775 102,160 114,930 122,592 127,700 153,240 183,888 191,550 204,320 229,860 245,184 255,400 287,325 306,480 367,776 383,100 408,640 459,720 510,800 574,650 612,960 735,552 766,200 919,440 1,021,600 1,149,300 1,225,920 1,532,400 1,838,880 2,043,200 2,298,600 3,064,800 3,677,760 4,597,200 6,129,600 9,194,400 and 18,388,800, with no remainder.

Since 18,388,800 cannot be divided by just 1 and 18,388,800, 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).