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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.

Q: Why the number 133 not a prime number?

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

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

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

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.

All of them are prime.

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

133 is a composite number.

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

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

133 is a Composite Number.

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

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.

All of them are 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

No 37 * 133 = 4921

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

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