What is the Greatest Common Factor of 55078 and 55090?

Greatest common factor (GCF) of 55078 and 55090 is 2.

GCF(55078,55090) = 2

We will now calculate the prime factors of 55078 and 55090, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55078 and 55090.

How to find the GCF of 55078 and 55090?

We will first find the prime factorization of 55078 and 55090. After we will calculate the factors of 55078 and 55090 and find the biggest common factor number .

Step-1: Prime Factorization of 55078

Prime factors of 55078 are 2, 27539. Prime factorization of 55078 in exponential form is:

55078 = 2¹ × 27539¹

Step-2: Prime Factorization of 55090

Prime factors of 55090 are 2, 5, 7, 787. Prime factorization of 55090 in exponential form is:

55090 = 2¹ × 5¹ × 7¹ × 787¹

Step-3: Factors of 55078

List of positive integer factors of 55078 that divides 55078 without a remainder.

1, 2, 27539

Step-4: Factors of 55090

List of positive integer factors of 55090 that divides 55078 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 787, 1574, 3935, 5509, 7870, 11018, 27545

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55078 and 55090. The biggest common factor number is the GCF number.
So the greatest common factor 55078 and 55090 is 2.

Also check out the Least Common Multiple of 55078 and 55090