What is the Greatest Common Factor of 540 and 560?
Greatest common factor (GCF) of 540 and 560 is 20.
GCF(540,560) = 20
We will now calculate the prime factors of 540 and 560, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 540 and 560.
How to find the GCF of 540 and 560?
We will first find the prime factorization of 540 and 560. After we will calculate the factors of 540 and 560 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 560
Prime factors of 560 are 2, 5, 7. Prime factorization of 560 in exponential form is:
560 = 24 × 51 × 71
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 560
List of positive integer factors of 560 that divides 540 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 540 and 560. The biggest common factor number is the GCF number.
So the greatest common factor 540 and 560 is 20.
Also check out the Least Common Multiple of 540 and 560
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