Q: Is 210,500 a Prime Number?

A: No, 210,500 is not a prime number.

Why is 210,500 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 210500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 421 500 842 1,684 2,105 4,210 8,420 10,525 21,050 42,100 52,625 105,250 and 210,500, with no remainder.

Since 210,500 cannot be divided by just 1 and 210,500, it is not a prime number.

Number	210,498	210,499	210,501	210,502
Prime?	no	yes	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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