Q: Is 68,400 a Composite Number?

Why is 68,400 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 68,400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 30 36 38 40 45 48 50 57 60 72 75 76 80 90 95 100 114 120 144 150 152 171 180 190 200 225 228 240 285 300 304 342 360 380 400 450 456 475 570 600 684 720 760 855 900 912 950 1,140 1,200 1,368 1,425 1,520 1,710 1,800 1,900 2,280 2,736 2,850 3,420 3,600 3,800 4,275 4,560 5,700 6,840 7,600 8,550 11,400 13,680 17,100 22,800 34,200 and 68,400, with no remainder.

Since 68,400 cannot be divided by just 1 and 68,400, 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).