Q: Is 856,141 a Prime Number?

A: No, 856,141 is not a prime number.

Why is 856,141 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 856141 can be evenly divided by 1 11 13 143 5,987 65,857 77,831 and 856,141, with no remainder.

Since 856,141 cannot be divided by just 1 and 856,141, it is not a prime number.

Number	856,139	856,140	856,142	856,143
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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