What is the GCF of 2121 and 4536?
The GCF of 2121 and 4536 is 21.
Steps to find GCF
- Find the prime factorization of 2121
2121 = 3 × 7 × 101 - Find the prime factorization of 4536
4536 = 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 7 - GCF = 21
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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).