Q: Is 145,383 a Prime Number?

A: No, 145,383 is not a prime number.

Why is 145,383 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 145383 can be evenly divided by 1 3 7 21 23 43 49 69 129 147 161 301 483 903 989 1,127 2,107 2,967 3,381 6,321 6,923 20,769 48,461 and 145,383, with no remainder.

Since 145,383 cannot be divided by just 1 and 145,383, it is not a prime number.

Number	145,381	145,382	145,384	145,385
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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