What is the Greatest Common Factor of 521 and 531?
Greatest common factor (GCF) of 521 and 531 is 1.
GCF(521,531) = 1
We will now calculate the prime factors of 521 and 531, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 521 and 531.
How to find the GCF of 521 and 531?
We will first find the prime factorization of 521 and 531. After we will calculate the factors of 521 and 531 and find the biggest common factor number .
Step-1: Prime Factorization of 521
Prime factors of 521 are 521. Prime factorization of 521 in exponential form is:
521 = 5211
Step-2: Prime Factorization of 531
Prime factors of 531 are 3, 59. Prime factorization of 531 in exponential form is:
531 = 32 × 591
Step-3: Factors of 521
List of positive integer factors of 521 that divides 521 without a remainder.
1
Step-4: Factors of 531
List of positive integer factors of 531 that divides 521 without a remainder.
1, 3, 9, 59, 177
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 521 and 531. The biggest common factor number is the GCF number.
So the greatest common factor 521 and 531 is 1.
Also check out the Least Common Multiple of 521 and 531
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