What is the Greatest Common Factor of 530 and 546?
Greatest common factor (GCF) of 530 and 546 is 2.
GCF(530,546) = 2
We will now calculate the prime factors of 530 and 546, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 530 and 546.
How to find the GCF of 530 and 546?
We will first find the prime factorization of 530 and 546. After we will calculate the factors of 530 and 546 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 546
Prime factors of 546 are 2, 3, 7, 13. Prime factorization of 546 in exponential form is:
546 = 21 × 31 × 71 × 131
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 546
List of positive integer factors of 546 that divides 530 without a remainder.
1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 530 and 546. The biggest common factor number is the GCF number.
So the greatest common factor 530 and 546 is 2.
Also check out the Least Common Multiple of 530 and 546
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