Q: Is 143,153 a Prime Number?

A: No, 143,153 is not a prime number.

Why is 143,153 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 143153 can be evenly divided by 1 37 53 73 1,961 2,701 3,869 and 143,153, with no remainder.

Since 143,153 cannot be divided by just 1 and 143,153, it is not a prime number.

Number	143,151	143,152	143,154	143,155
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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