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Well because it can be divide by 19 and 7 by 1 and its self. A Prime number can only be divided by 1 and its self. In this case the number 133 is not only divisible by 1 and itself it is also divisible by 19 ,7 which makes it composite.

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Q: Why the number 133 not a prime number?
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Related questions

Is the number 133 a prime number?

No. 133 = 7 * 19, so it is not prime.


Is 133 and Prime number?

133 is a composite number.


Why isn't the number 133 not a prime number?

133 is not a prime number because it can be divided by 7 and 19.


What is the prime factorization for 133?

133 is a prime number so the prime factorzation is 7 and 19


Is 133 a composite or prime?

133 is a Composite Number.


133 prime or composite?

133 is a composite number. The factors of 133 are 1, 7, 19, and 133. The prime factors of 133 are 7 x 19.


Why is the number 133 not prime?

Because 7 times 19 = 133.7 and 19 are both factors of 133.A prime number is a number that has no factors except ' 1 ' and itself.


What number is prime 117 121 131 or 133?

All of them are prime.


Is 133 is a prime?

No, its factors are: 1, 7, 19, 133.A prime number can be divided, without a remainder, only by itself and by 1. For example, 17 can be divided only by 17 and by 1. so no


Is 4921 a prime number?

No 37 * 133 = 4921


Is 266 prime?

No. It is even, and the only even prime number is 2. 133 might be prime, but 266 is not.


What number goes into 133 and 1000?

There is no common prime factor for 133 and 1000 and so the only number that goes into both is 1.