GCF for 2 and 82
"Greatest Common Factor" Calculator
What is the Greatest Common Factor of 2 and 82?
Answer: GCF of 2 and 82 is 2
(Two)
Finding GCF for 2 and 82 using all factors (divisors) listing
The first method to find GCF for numbers 2 and 82 is to list all factors for both numbers and pick the highest common one:
All factors of 2: 1, 2
All factors of 82: 1, 2, 41, 82
So the Greatest Common Factor for 2 and 82 is 2
Finding GCF for 2 and 82 by Prime Factorization
The second method to find GCF for numbers 2 and 82 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 82: 2, 41
As we can see there is only one Prime Factor common to both numbers. It is 2
So 2 is the Greatest Common Factor of 2 and 82
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GCF Table
Number 1 | Number 2 | GCF |
---|---|---|
1 | 82 | 1 |
2 | 82 | 2 |
3 | 82 | 1 |
4 | 82 | 2 |
5 | 82 | 1 |
6 | 82 | 2 |
7 | 82 | 1 |
8 | 82 | 2 |
9 | 82 | 1 |
10 | 82 | 2 |
11 | 82 | 1 |
12 | 82 | 2 |
13 | 82 | 1 |
14 | 82 | 2 |
15 | 82 | 1 |
16 | 82 | 2 |
17 | 82 | 1 |
18 | 82 | 2 |
19 | 82 | 1 |
20 | 82 | 2 |
21 | 82 | 1 |
22 | 82 | 2 |
23 | 82 | 1 |
24 | 82 | 2 |
25 | 82 | 1 |
26 | 82 | 2 |
27 | 82 | 1 |
28 | 82 | 2 |
29 | 82 | 1 |
30 | 82 | 2 |
About "Greatest Common Factor" Calculator
This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest Common Factor of 2 and 82? (The answer is: 2). Select the first number (e.g. '2') and the second number (e.g. '82'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder