Q: Is 345,440 a Composite Number?

 A: Yes, 345,440 is a composite number.

Why is 345,440 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 345,440 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 127 136 160 170 254 272 340 508 544 635 680 1,016 1,270 1,360 2,032 2,159 2,540 2,720 4,064 4,318 5,080 8,636 10,160 10,795 17,272 20,320 21,590 34,544 43,180 69,088 86,360 172,720 and 345,440, with no remainder.

Since 345,440 cannot be divided by just 1 and 345,440, it is a composite number.


More Examples

Number 345,438345,439345,441345,442
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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