What is the Greatest Common Factor of 530 and 542?
Greatest common factor (GCF) of 530 and 542 is 2.
GCF(530,542) = 2
We will now calculate the prime factors of 530 and 542, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 530 and 542.
How to find the GCF of 530 and 542?
We will first find the prime factorization of 530 and 542. After we will calculate the factors of 530 and 542 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 542
Prime factors of 542 are 2, 271. Prime factorization of 542 in exponential form is:
542 = 21 × 2711
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 542
List of positive integer factors of 542 that divides 530 without a remainder.
1, 2, 271
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 530 and 542. The biggest common factor number is the GCF number.
So the greatest common factor 530 and 542 is 2.
Also check out the Least Common Multiple of 530 and 542
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