Q: Is 720,825 a Prime Number?

 A: No, 720,825 is not a prime number.

Why is 720,825 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 720825 can be evenly divided by 1 3 5 7 15 21 25 35 75 105 175 525 1,373 4,119 6,865 9,611 20,595 28,833 34,325 48,055 102,975 144,165 240,275 and 720,825, with no remainder.

Since 720,825 cannot be divided by just 1 and 720,825, it is not a prime number.


More Examples

Number 720,823720,824720,826720,827
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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