Q: Is 155,000 a Composite Number?

 A: Yes, 155,000 is a composite number.

Why is 155,000 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 155,000 can be evenly divided by 1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 155 200 248 250 310 500 620 625 775 1,000 1,240 1,250 1,550 2,500 3,100 3,875 5,000 6,200 7,750 15,500 19,375 31,000 38,750 77,500 and 155,000, with no remainder.

Since 155,000 cannot be divided by just 1 and 155,000, it is a composite number.


More Examples

Number 154,998154,999155,001155,002
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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