GCF for 7 and 84

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 7 and 84?

Answer: GCF of 7 and 84 is 7

(Seven)

Finding GCF for 7 and 84 using all factors (divisors) listing

The first method to find GCF for numbers 7 and 84 is to list all factors for both numbers and pick the highest common one:

All factors of 7: 1, 7

All factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

So the Greatest Common Factor for 7 and 84 is 7

Finding GCF for 7 and 84 by Prime Factorization

The second method to find GCF for numbers 7 and 84 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 7: 7

All Prime Factors of 84: 2, 2, 3, 7

As we can see there is only one Prime Factor common to both numbers. It is 7

So 7 is the Greatest Common Factor of 7 and 84

See Also

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 Divisor of 7 and 84? (The answer is: 7). Select the first number (e.g. '7') and the second number (e.g. '84'). 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
1841
2842
3843
4844
5841
6846
7847
8844
9843
10842
11841
128412
13841
148414
15843
16844
17841
18846
19841
20844
218421
22842
23841
248412
25841
26842
27843
288428
29841
30846

FAQ

What is the Greatest common Divisor of 7 and 84?

GCF of 7 and 84 is 7

See Also