Q: Is 5,445 a Prime Number?

A: No, 5,445 is not a prime number.

Why is 5,445 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 5445 can be evenly divided by 1 3 5 9 11 15 33 45 55 99 121 165 363 495 605 1,089 1,815 and 5,445, with no remainder.

Since 5,445 cannot be divided by just 1 and 5,445, it is not a prime number.

Number	5,443	5,444	5,446	5,447
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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