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