Q: Is 309,840 a Composite Number?

 A: Yes, 309,840 is a composite number.

Why is 309,840 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 309,840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1,291 2,582 3,873 5,164 6,455 7,746 10,328 12,910 15,492 19,365 20,656 25,820 30,984 38,730 51,640 61,968 77,460 103,280 154,920 and 309,840, with no remainder.

Since 309,840 cannot be divided by just 1 and 309,840, it is a composite number.


More Examples

Number 309,838309,839309,841309,842
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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