Q: Is 90,821 a Prime Number?

A: Yes, 90,821 is a prime number.

Why is 90,821 a prime number?

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

The number 90821 can be evenly divided by 1 and 90,821, with no remainder.

Since 90,821 can be divided by just 1 and 90,821, it is a prime number.

Number	90,819	90,820	90,822	90,823
Prime?	no	no	no	yes

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

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