Q: Is 421,245 a Composite Number?

 A: Yes, 421,245 is a composite number.

Why is 421,245 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 421,245 can be evenly divided by 1 3 5 9 11 15 23 33 37 45 55 69 99 111 115 165 185 207 253 333 345 407 495 555 759 851 1,035 1,221 1,265 1,665 2,035 2,277 2,553 3,663 3,795 4,255 6,105 7,659 9,361 11,385 12,765 18,315 28,083 38,295 46,805 84,249 140,415 and 421,245, with no remainder.

Since 421,245 cannot be divided by just 1 and 421,245, it is a composite number.


More Examples

Number 421,243421,244421,246421,247
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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