Q: Is 1,721,220 a Composite Number?

 A: Yes, 1,721,220 is a composite number.

Why is 1,721,220 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 1,721,220 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 28,687 57,374 86,061 114,748 143,435 172,122 286,870 344,244 430,305 573,740 860,610 and 1,721,220, with no remainder.

Since 1,721,220 cannot be divided by just 1 and 1,721,220, it is a composite number.


More Examples

Number 1,721,2181,721,2191,721,2211,721,222
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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