What is the Greatest Common Factor of 55972 and 55978?

Greatest common factor (GCF) of 55972 and 55978 is 2.

GCF(55972,55978) = 2

We will now calculate the prime factors of 55972 and 55978, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55972 and 55978.

How to find the GCF of 55972 and 55978?

We will first find the prime factorization of 55972 and 55978. After we will calculate the factors of 55972 and 55978 and find the biggest common factor number .

Step-1: Prime Factorization of 55972

Prime factors of 55972 are 2, 7, 1999. Prime factorization of 55972 in exponential form is:

55972 = 2² × 7¹ × 1999¹

Step-2: Prime Factorization of 55978

Prime factors of 55978 are 2, 13, 2153. Prime factorization of 55978 in exponential form is:

55978 = 2¹ × 13¹ × 2153¹

Step-3: Factors of 55972

List of positive integer factors of 55972 that divides 55972 without a remainder.

1, 2, 4, 7, 14, 28, 1999, 3998, 7996, 13993, 27986

Step-4: Factors of 55978

List of positive integer factors of 55978 that divides 55972 without a remainder.

1, 2, 13, 26, 2153, 4306, 27989

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55972 and 55978. The biggest common factor number is the GCF number.
So the greatest common factor 55972 and 55978 is 2.

Also check out the Least Common Multiple of 55972 and 55978