Greatest common factor of 20 & 51 is 1.
Factors of 20 are 1, 2, 4, 5, 10 & 20.
Factors of 51 are 1, 3, 17 & 51.
The only common factor is 1, so GCF is 1.
Alternate method:
Prime factorization of 20 = 2x2x5
Prime factorization of 51 = 3x17
From the prime factorizations it is clear that 1 is the GCF of 20 and 51.
The greatest common factor of 51 , 20 = 1
The greatest common factor of 51 , 35 = 1
The greatest common factor of 51 and 87 is 3.
The Greatest Common Factor of 51 and 34 is 17.
The greatest common factor of 51 and 100 is 1.
The greatest common factor of 62 and 51 is 1.
What is the greatest common factor shared by 51 and 21?
The greatest common factor is 51
the greatest common factor of 51 and 34 is 17 because 17 is a factor of both 51 and 34 and it happens to be the greatest.
Greatest common factor for 102 and 357 is 51.
Greatest common factor of 51 and 125 is 1.
Greatest common factor of 51 and 34 is 17.