What is the Greatest Common Factor of 552 and 561?
Greatest common factor (GCF) of 552 and 561 is 3.
GCF(552,561) = 3
We will now calculate the prime factors of 552 and 561, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 552 and 561.
How to find the GCF of 552 and 561?
We will first find the prime factorization of 552 and 561. After we will calculate the factors of 552 and 561 and find the biggest common factor number .
Step-1: Prime Factorization of 552
Prime factors of 552 are 2, 3, 23. Prime factorization of 552 in exponential form is:
552 = 23 × 31 × 231
Step-2: Prime Factorization of 561
Prime factors of 561 are 3, 11, 17. Prime factorization of 561 in exponential form is:
561 = 31 × 111 × 171
Step-3: Factors of 552
List of positive integer factors of 552 that divides 552 without a remainder.
1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276
Step-4: Factors of 561
List of positive integer factors of 561 that divides 552 without a remainder.
1, 3, 11, 17, 33, 51, 187
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 552 and 561. The biggest common factor number is the GCF number.
So the greatest common factor 552 and 561 is 3.
Also check out the Least Common Multiple of 552 and 561
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