Q: Is 142,803 a Prime Number?

A: No, 142,803 is not a prime number.

Why is 142,803 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 142803 can be evenly divided by 1 3 9 27 41 43 81 123 129 369 387 1,107 1,161 1,763 3,321 3,483 5,289 15,867 47,601 and 142,803, with no remainder.

Since 142,803 cannot be divided by just 1 and 142,803, it is not a prime number.

Number	142,801	142,802	142,804	142,805
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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