What is the Greatest Common Factor of 55520 and 55540?

Greatest common factor (GCF) of 55520 and 55540 is 20.

GCF(55520,55540) = 20

We will now calculate the prime factors of 55520 and 55540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 55520 and 55540.

How to find the GCF of 55520 and 55540?

We will first find the prime factorization of 55520 and 55540. After we will calculate the factors of 55520 and 55540 and find the biggest common factor number .

Step-1: Prime Factorization of 55520

Prime factors of 55520 are 2, 5, 347. Prime factorization of 55520 in exponential form is:

55520 = 2⁵ × 5¹ × 347¹

Step-2: Prime Factorization of 55540

Prime factors of 55540 are 2, 5, 2777. Prime factorization of 55540 in exponential form is:

55540 = 2² × 5¹ × 2777¹

Step-3: Factors of 55520

List of positive integer factors of 55520 that divides 55520 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 347, 694, 1388, 1735, 2776, 3470, 5552, 6940, 11104, 13880, 27760

Step-4: Factors of 55540

List of positive integer factors of 55540 that divides 55520 without a remainder.

1, 2, 4, 5, 10, 20, 2777, 5554, 11108, 13885, 27770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55520 and 55540. The biggest common factor number is the GCF number.
So the greatest common factor 55520 and 55540 is 20.

Also check out the Least Common Multiple of 55520 and 55540