GCD of 102 and 84
You have reached us maybe looking for answers to the questions like: GCD of 102 and 84 or what is the highest common factor (HCF) of 102 and 84?
What is the GCF of 102 and 84?
The first step to find the gcf of 102 and 84 is to list the factors of each number. The factors of 102 are 1, 2, 3, 6, 17, 34, 51 and 102. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42 and 84. So, the Greatest Common Factor for these numbers is 6 because it divides all them without a remainder. Read more about Common Factors below.
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How to find the Greatest Common Factor
The first step is to find all divisors of each number. For instance, let us find the gcf(102, 84).
In this case we have:
- The factors of 102 (all the whole numbers that can divide the number without a remainder) are 1, 2, 3, 6, 17, 34, 51 and 102;
- The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42 and 84.
The second step is to analyze which are the common divisors. It is not difficult to see that the 'Greatest Common Factor' or 'Divisor' for 102 and 84 is 6. The GCF is the largest common positive integer that divides all the numbers (102, 84) without a remainder.
The GCF is also known as:
- Greatest common divisor (gcd);
- Highest common factor (hcf);
- Greatest common measure (gcm), or
- Highest common divisor
Greatest Common Factor Calculator
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