Q: Is 7,000,005 a Prime Number?

 A: No, 7,000,005 is not a prime number.

Why is 7,000,005 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 7000005 can be evenly divided by 1 3 5 15 17 51 85 97 255 283 291 485 849 1,415 1,455 1,649 4,245 4,811 4,947 8,245 14,433 24,055 24,735 27,451 72,165 82,353 137,255 411,765 466,667 1,400,001 2,333,335 and 7,000,005, with no remainder.

Since 7,000,005 cannot be divided by just 1 and 7,000,005, it is not a prime number.


More Examples

Number 7,000,0037,000,0047,000,0067,000,007
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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