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They are all prime numbers because they have only two factors.

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9y ago

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Common factor of 13 and 19?

Both values are prime, thus we conclude that the GCF (and the only common factor) is 1.


What is the common factor of 19 and 13?

13 and 19 are both prime numbers. Their only common factor is ' 1 '.


What is the greatest common factor of 19 and 13?

The greatest common factor (GCF) of 19 and 13 is 1. This is because 19 and 13 are both prime numbers, meaning they are only divisible by 1 and themselves. Since there are no other common factors between 19 and 13 besides 1, the GCF is 1.


What are the Common factors for 13 and 19?

Both are prime numbers so the answer is 1.


What numbers are prime numbers 015 19 23 21 49 55 59 87 91 103 105?

Prime: 19, 23, 59, 103


What is the least common factor of 13 and 19?

The least common factor of any set of numbers is 1.


Which of these numbers are prime 13 16 19 21?

13 and 19.


What is the first ten prime numbers with a digit 1 in them?

The first ten prime numbers containing a digit 1 are: 11 13 17 19 31 41 61 71 101 103


Are numbers 19 23 13 29 composites?

19, 23, 13, and 29 are all prime numbers.


What is the least common factor for 19 and 13?

the greatest common factor of 19 and 13 is one because 19 or neither 13 are composite


Are numbers 13-19-29-32 composite numbers?

32 is a composite number while 13, 19 and 29 are prime numbers


What is the least common denominator of 18 and 13?

The common denominator is usually the Lowest (or Least) Common Multiple of the numbers involved. Where two numbers have no common factors then the LCM is simply the product of those numbers. As 19 is a prime number and has no factors in common with 18 then the common denominator is 18 x 19 = 342.