Q: Is 6,438,003 a Prime Number?

 A: No, 6,438,003 is not a prime number.

Why is 6,438,003 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 6438003 can be evenly divided by 1 3 11 13 33 39 43 129 143 349 429 473 559 1,047 1,419 1,677 3,839 4,537 6,149 11,517 13,611 15,007 18,447 45,021 49,907 149,721 165,077 195,091 495,231 585,273 2,146,001 and 6,438,003, with no remainder.

Since 6,438,003 cannot be divided by just 1 and 6,438,003, it is not a prime number.


More Examples

Number 6,438,0016,438,0026,438,0046,438,005
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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