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Prime Numbers

Is 133 a prim...

Question

Is $133$ a prime number?

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Solution

Check $133$ is prime or not?
Prime numbers are those which are divisible by one and itself.
On prime factorization of $133$ we get
$133 = 1 x 7 x 19$
So, $133$ is divisible by $7, 19$
Hence $133$ is not a prime number.

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