What is the GCF of 8190 and 390?
The GCF of 8190 and 390 is 390.
Steps to find GCF
- Find the prime factorization of 8190
8190 = 2 × 3 × 3 × 5 × 7 × 13 - Find the prime factorization of 390
390 = 2 × 3 × 5 × 13 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 3 × 5 × 13 - GCF = 390
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).