Q: Is 78,420,743 a Prime Number?

 A: No, 78,420,743 is not a prime number.

Why is 78,420,743 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 78420743 can be evenly divided by 1 101 457 1,699 46,157 171,599 776,443 and 78,420,743, with no remainder.

Since 78,420,743 cannot be divided by just 1 and 78,420,743, it is not a prime number.


More Examples

Number 78,420,74178,420,74278,420,74478,420,745
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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