Q: Is 668,800 a Composite Number?

Why is 668,800 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 668,800 can be evenly divided by 1 2 4 5 8 10 11 16 19 20 22 25 32 38 40 44 50 55 64 76 80 88 95 100 110 128 152 160 176 190 200 209 220 275 304 320 352 380 400 418 440 475 550 608 640 704 760 800 836 880 950 1,045 1,100 1,216 1,408 1,520 1,600 1,672 1,760 1,900 2,090 2,200 2,432 3,040 3,200 3,344 3,520 3,800 4,180 4,400 5,225 6,080 6,688 7,040 7,600 8,360 8,800 10,450 12,160 13,376 15,200 16,720 17,600 20,900 26,752 30,400 33,440 35,200 41,800 60,800 66,880 83,600 133,760 167,200 334,400 and 668,800, with no remainder.

Since 668,800 cannot be divided by just 1 and 668,800, 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).