Q: Is 19,419,440 a Composite Number?

Why is 19,419,440 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 19,419,440 can be evenly divided by 1 2 4 5 8 10 16 17 20 34 40 68 80 85 109 131 136 170 218 262 272 340 436 524 545 655 680 872 1,048 1,090 1,310 1,360 1,744 1,853 2,096 2,180 2,227 2,620 3,706 4,360 4,454 5,240 7,412 8,720 8,908 9,265 10,480 11,135 14,279 14,824 17,816 18,530 22,270 28,558 29,648 35,632 37,060 44,540 57,116 71,395 74,120 89,080 114,232 142,790 148,240 178,160 228,464 242,743 285,580 485,486 571,160 970,972 1,142,320 1,213,715 1,941,944 2,427,430 3,883,888 4,854,860 9,709,720 and 19,419,440, with no remainder.

Since 19,419,440 cannot be divided by just 1 and 19,419,440, 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).