What is the Greatest Common Factor of 5520 and 5540?

Greatest common factor (GCF) of 5520 and 5540 is 20.

GCF(5520,5540) = 20

We will now calculate the prime factors of 5520 and 5540, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5520 and 5540.

How to find the GCF of 5520 and 5540?

We will first find the prime factorization of 5520 and 5540. After we will calculate the factors of 5520 and 5540 and find the biggest common factor number .

Step-1: Prime Factorization of 5520

Prime factors of 5520 are 2, 3, 5, 23. Prime factorization of 5520 in exponential form is:

5520 = 2⁴ × 3¹ × 5¹ × 23¹

Step-2: Prime Factorization of 5540

Prime factors of 5540 are 2, 5, 277. Prime factorization of 5540 in exponential form is:

5540 = 2² × 5¹ × 277¹

Step-3: Factors of 5520

List of positive integer factors of 5520 that divides 5520 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760

Step-4: Factors of 5540

List of positive integer factors of 5540 that divides 5520 without a remainder.

1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5520 and 5540. The biggest common factor number is the GCF number.
So the greatest common factor 5520 and 5540 is 20.

Also check out the Least Common Multiple of 5520 and 5540