What is the GCF of 3243 and 5403?
The GCF of 3243 and 5403 is 3.
Steps to find GCF
- Find the prime factorization of 3243
3243 = 3 × 23 × 47 - Find the prime factorization of 5403
5403 = 3 × 1801 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).