What is the GCF of 15 and 330?
The GCF of 15 and 330 is 15.
Steps to find GCF
- Find the prime factorization of 15
15 = 3 × 5 - Find the prime factorization of 330
330 = 2 × 3 × 5 × 11 - To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 5 - GCF = 15
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Find HCF of: 30 & 660 45 & 990 5 & 110 75 & 1650 3 & 66 105 & 2310 30 & 330 15 & 660 45 & 330 15 & 990 75 & 330 15 & 1650 105 & 330 15 & 2310
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).