What is the GCF of 810 and 2205?
The GCF of 810 and 2205 is 45.
Steps to find GCF
- Find the prime factorization of 810
810 = 2 × 3 × 3 × 3 × 3 × 5 - Find the prime factorization of 2205
2205 = 3 × 3 × 5 × 7 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 3 × 5 - GCF = 45
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Related
Find HCF of: 1620 & 4410 2430 & 6615 270 & 735 162 & 441 1620 & 2205 810 & 4410 2430 & 2205 810 & 6615 4050 & 2205 5670 & 2205
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).