Q: Is 42,505,125 a Prime Number?

 A: No, 42,505,125 is not a prime number.

Why is 42,505,125 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 42505125 can be evenly divided by 1 3 5 13 15 25 39 65 75 125 195 325 375 975 1,625 4,875 8,719 26,157 43,595 113,347 130,785 217,975 340,041 566,735 653,925 1,089,875 1,700,205 2,833,675 3,269,625 8,501,025 14,168,375 and 42,505,125, with no remainder.

Since 42,505,125 cannot be divided by just 1 and 42,505,125, it is not a prime number.


More Examples

Number 42,505,12342,505,12442,505,12642,505,127
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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