Q: Is 211,155 a Prime Number?

A: No, 211,155 is not a prime number.

Why is 211,155 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 211155 can be evenly divided by 1 3 5 7 15 21 35 105 2,011 6,033 10,055 14,077 30,165 42,231 70,385 and 211,155, with no remainder.

Since 211,155 cannot be divided by just 1 and 211,155, it is not a prime number.

Number	211,153	211,154	211,156	211,157
Prime?	yes	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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