What is the greatest common factor of 2, 4 and 14?
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Detailed Answer: Greatest Common Divisor explained here

You have reached us maybe looking for answers to the questions like: What is the greatest common factor of 2, 4 and 14? or what is the highest common factor (HCF) of 2, 4 and 14?
What is the GCF of 2, 4 and 14?
The first step to find the gcf of 2, 4 and 14 is to list the factors of each number. The factors of 2 are 1 and 2. The factors of 4 are 1, 2 and 4. The factors of 14 are 1, 2, 7 and 14. So, the Greatest Common Factor for these numbers is 2 because it divides all them without a remainder. Read more about Common Factors below.
See also:
How to find the Greatest Common Factor
GCF example:
The first step is to find all divisors of each number. For instance, let us find the gcf(2,4,14).
In this case we have:
 The factors of 2 (all the whole numbers that can divide the number without a remainder) are 1 and 2;
 The factors of 4 are 1, 2 and 4;
 The factors of 14 are 1, 2, 7 and 14.
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 2, 4 and 14 is 2. The GCF is the largest common positive integer that divides all the numbers (2,4,14) 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