Q: Is 2,137,680 a Composite Number?

Why is 2,137,680 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 2,137,680 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 2,969 5,938 8,907 11,876 14,845 17,814 23,752 26,721 29,690 35,628 44,535 47,504 53,442 59,380 71,256 89,070 106,884 118,760 133,605 142,512 178,140 213,768 237,520 267,210 356,280 427,536 534,420 712,560 1,068,840 and 2,137,680, with no remainder.

Since 2,137,680 cannot be divided by just 1 and 2,137,680, 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).