Q: Is 1,389,003 a Prime Number?

 A: No, 1,389,003 is not a prime number.

Why is 1,389,003 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 1389003 can be evenly divided by 1 3 7 11 21 33 49 77 147 231 539 859 1,617 2,577 6,013 9,449 18,039 28,347 42,091 66,143 126,273 198,429 463,001 and 1,389,003, with no remainder.

Since 1,389,003 cannot be divided by just 1 and 1,389,003, it is not a prime number.


More Examples

Number 1,389,0011,389,0021,389,0041,389,005
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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