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What is the Greatest Common Factor of 540 and 550?

Greatest common factor (GCF) of 540 and 550 is 10.

GCF(540,550) = 10

We will now calculate the prime factors of 540 and 550, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 540 and 550.

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How to find the GCF of 540 and 550?

We will first find the prime factorization of 540 and 550. After we will calculate the factors of 540 and 550 and find the biggest common factor number .

Step-1: Prime Factorization of 540

Prime factors of 540 are 2, 3, 5. Prime factorization of 540 in exponential form is:

540 = 22 × 33 × 51

Step-2: Prime Factorization of 550

Prime factors of 550 are 2, 5, 11. Prime factorization of 550 in exponential form is:

550 = 21 × 52 × 111

Step-3: Factors of 540

List of positive integer factors of 540 that divides 540 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270

Step-4: Factors of 550

List of positive integer factors of 550 that divides 540 without a remainder.

1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 540 and 550. The biggest common factor number is the GCF number.
So the greatest common factor 540 and 550 is 10.

Also check out the Least Common Multiple of 540 and 550