Q: Is 900,001 a Prime Number?

A: Yes, 900,001 is a prime number.

Why is 900,001 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 900001 can be evenly divided by 1 and 900,001, with no remainder.

Since 900,001 can be divided by just 1 and 900,001, it is a prime number.

Number	899,999	900,000	900,002	900,003
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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