Q: Is 4,240,005 a Prime Number?

 A: No, 4,240,005 is not a prime number.

Why is 4,240,005 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 4240005 can be evenly divided by 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1,155 3,671 11,013 18,355 25,697 40,381 55,065 77,091 121,143 128,485 201,905 282,667 385,455 605,715 848,001 1,413,335 and 4,240,005, with no remainder.

Since 4,240,005 cannot be divided by just 1 and 4,240,005, it is not a prime number.


More Examples

Number 4,240,0034,240,0044,240,0064,240,007
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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