What is the GCF of 11 and 210?
The GCF of 11 and 210 is 1.
Steps to find GCF
- Find the prime factorization of 11
11 = 11 - Find the prime factorization of 210
210 = 2 × 3 × 5 × 7 - To find the GCF, multiply all the prime factors common to both numbers:
Note that there are no common prime factors. - Therefore, GCF = 1 (since 1 is a factor of every number)
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Find HCF of: 22 & 420 33 & 630 55 & 1050 77 & 1470 22 & 210 11 & 420 33 & 210 11 & 630 55 & 210 11 & 1050 77 & 210 11 & 1470
GCF Calculator
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).