Q: Is 638,001 a Composite Number?

 A: Yes, 638,001 is a composite number.

Why is 638,001 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 638,001 can be evenly divided by 1 3 7 9 13 19 21 39 41 57 63 91 117 123 133 171 247 273 287 369 399 533 741 779 819 861 1,197 1,599 1,729 2,223 2,337 2,583 3,731 4,797 5,187 5,453 7,011 10,127 11,193 15,561 16,359 30,381 33,579 49,077 70,889 91,143 212,667 and 638,001, with no remainder.

Since 638,001 cannot be divided by just 1 and 638,001, it is a composite number.


More Examples

Number 637,999638,000638,002638,003
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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