What is the GCF of 7563 and 561?
The GCF of 7563 and 561 is 3.
Steps to find GCF
- Find the prime factorization of 7563
7563 = 3 × 2521 - Find the prime factorization of 561
561 = 3 × 11 × 17 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3
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GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).