What is the Greatest Common Factor of 543 and 553?
Greatest common factor (GCF) of 543 and 553 is 1.
GCF(543,553) = 1
We will now calculate the prime factors of 543 and 553, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 543 and 553.
How to find the GCF of 543 and 553?
We will first find the prime factorization of 543 and 553. After we will calculate the factors of 543 and 553 and find the biggest common factor number .
Step-1: Prime Factorization of 543
Prime factors of 543 are 3, 181. Prime factorization of 543 in exponential form is:
543 = 31 × 1811
Step-2: Prime Factorization of 553
Prime factors of 553 are 7, 79. Prime factorization of 553 in exponential form is:
553 = 71 × 791
Step-3: Factors of 543
List of positive integer factors of 543 that divides 543 without a remainder.
1, 3, 181
Step-4: Factors of 553
List of positive integer factors of 553 that divides 543 without a remainder.
1, 7, 79
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 543 and 553. The biggest common factor number is the GCF number.
So the greatest common factor 543 and 553 is 1.
Also check out the Least Common Multiple of 543 and 553
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