Q: Is 1,221,920 a Composite Number?

 A: Yes, 1,221,920 is a composite number.

Why is 1,221,920 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 1,221,920 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1,091 1,120 2,182 4,364 5,455 7,637 8,728 10,910 15,274 17,456 21,820 30,548 34,912 38,185 43,640 61,096 76,370 87,280 122,192 152,740 174,560 244,384 305,480 610,960 and 1,221,920, with no remainder.

Since 1,221,920 cannot be divided by just 1 and 1,221,920, it is a composite number.


More Examples

Number 1,221,9181,221,9191,221,9211,221,922
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 1,221,920:


Ask a Question