What is the Greatest Common Factor of 530 and 538?
Greatest common factor (GCF) of 530 and 538 is 2.
GCF(530,538) = 2
We will now calculate the prime factors of 530 and 538, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 530 and 538.
How to find the GCF of 530 and 538?
We will first find the prime factorization of 530 and 538. After we will calculate the factors of 530 and 538 and find the biggest common factor number .
Step-1: Prime Factorization of 530
Prime factors of 530 are 2, 5, 53. Prime factorization of 530 in exponential form is:
530 = 21 × 51 × 531
Step-2: Prime Factorization of 538
Prime factors of 538 are 2, 269. Prime factorization of 538 in exponential form is:
538 = 21 × 2691
Step-3: Factors of 530
List of positive integer factors of 530 that divides 530 without a remainder.
1, 2, 5, 10, 53, 106, 265
Step-4: Factors of 538
List of positive integer factors of 538 that divides 530 without a remainder.
1, 2, 269
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 530 and 538. The biggest common factor number is the GCF number.
So the greatest common factor 530 and 538 is 2.
Also check out the Least Common Multiple of 530 and 538
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