What is the Greatest Common Factor of 553 and 557?
Greatest common factor (GCF) of 553 and 557 is 1.
GCF(553,557) = 1
We will now calculate the prime factors of 553 and 557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 553 and 557.
How to find the GCF of 553 and 557?
We will first find the prime factorization of 553 and 557. After we will calculate the factors of 553 and 557 and find the biggest common factor number .
Step-1: Prime Factorization of 553
Prime factors of 553 are 7, 79. Prime factorization of 553 in exponential form is:
553 = 71 × 791
Step-2: Prime Factorization of 557
Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:
557 = 5571
Step-3: Factors of 553
List of positive integer factors of 553 that divides 553 without a remainder.
1, 7, 79
Step-4: Factors of 557
List of positive integer factors of 557 that divides 553 without a remainder.
1
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 553 and 557. The biggest common factor number is the GCF number.
So the greatest common factor 553 and 557 is 1.
Also check out the Least Common Multiple of 553 and 557
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