What is the Greatest Common Factor of 545 and 560?
Greatest common factor (GCF) of 545 and 560 is 5.
GCF(545,560) = 5
We will now calculate the prime factors of 545 and 560, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 545 and 560.
How to find the GCF of 545 and 560?
We will first find the prime factorization of 545 and 560. After we will calculate the factors of 545 and 560 and find the biggest common factor number .
Step-1: Prime Factorization of 545
Prime factors of 545 are 5, 109. Prime factorization of 545 in exponential form is:
545 = 51 × 1091
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 545
List of positive integer factors of 545 that divides 545 without a remainder.
1, 5, 109
Step-4: Factors of 560
List of positive integer factors of 560 that divides 545 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 545 and 560. The biggest common factor number is the GCF number.
So the greatest common factor 545 and 560 is 5.
Also check out the Least Common Multiple of 545 and 560
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