Q: Is 721,025 a Prime Number?

 A: No, 721,025 is not a prime number.

Why is 721,025 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 721025 can be evenly divided by 1 5 25 151 191 755 955 3,775 4,775 28,841 144,205 and 721,025, with no remainder.

Since 721,025 cannot be divided by just 1 and 721,025, it is not a prime number.


More Examples

Number 721,023721,024721,026721,027
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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