The GCF of 3 and 19 is 1. Because 3 and 19 are both prime numbers, they have no other common factor.
19 is a prime factor.
There is NO common factor between '13' & '19' , as both these numbers are prime numbers. However, they do have a common MULTIPLE which is 13 X 19 = 247.
It is 1 because 7 and 19 are prime numbers
19 and 13 are prime numbers. Therefore, the greatest common factor is 1.
11 and 19 are prime numbers so only common factor is 1.
13 and 19 are both prime numbers. Their only common factor is ' 1 '.
Both 19 and 71 are prime numbers, so the only common factor they have is 1.
323 17 x 19 Both 17 and 19 are prime numbers, so the factor tree is finished.
133 7 x 19 Both 7 and 19 are prime numbers, so the factor tree is complete.
19 is a prime number. The only two factors of a prime number are 1 and itself.The two factors of 19 are 1 and 19. There are only two factors of a prime number.The only factor pair of 19 is 1 x 19. There is only one factor pair of a prime number.The proper factors of 19 are only 1 or,if the definition you are using excludes 1, there are none.The only prime factor of 19 is 19. There is only one prime factor of a prime number - itself.The only distinct prime factor (listing each prime factor only once) of 19 is 19.The prime factorization of 19 is 19. In some cases, to emphasize that it is prime, you might write the prime factorization as 1 x 19.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.19 is a prime number. Its factors are 1 and 19.
It is 1 because they are both prime numbers