What is the GCF of 28 and 34

"Greatest Common Factor" Calculator

What is the Greatest common Divisor of 28 and 34?

Answer: GCF of 28 and 34 is 2

(Two)

Finding GCF for 28 and 34 using all factors (divisors) listing

The first method to find GCF for numbers 28 and 34 is to list all factors for both numbers and pick the highest common one:

All factors of 28: 1, 2, 4, 7, 14, 28

All factors of 34: 1, 2, 17, 34

So the Greatest Common Factor for 28 and 34 is 2

Finding GCF for 28 and 34 by Prime Factorization

The second method to find GCF for numbers 28 and 34 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 28: 2, 2, 7

All Prime Factors of 34: 2, 17

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 28 and 34

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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 28 and 34? (The answer is: 2). Select the first number (e.g. '28') and the second number (e.g. '34'). 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

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GCF Table

Number 1	Number 2	GCF
13	34	1
14	34	2
15	34	1
16	34	2
17	34	17
18	34	2
19	34	1
20	34	2
21	34	1
22	34	2
23	34	1
24	34	2
25	34	1
26	34	2
27	34	1
28	34	2
29	34	1
30	34	2
31	34	1
32	34	2
33	34	1
34	34	34
35	34	1
36	34	2
37	34	1
38	34	2
39	34	1
40	34	2
41	34	1
42	34	2

GCF for 28 and 34

"Greatest Common Factor" Calculator

What is the Greatest common Divisor of 28 and 34?

Finding GCF for 28 and 34 using all factors (divisors) listing

Finding GCF for 28 and 34 by Prime Factorization

Related Calculations

See Also

About "Greatest Common Factor" Calculator

"Greatest Common Factor" Calculator

GCF Table

FAQ

What is the Greatest common Divisor of 28 and 34?

See Also

Number 1	Number 2	GCF
13	34	1
14	34	2
15	34	1
16	34	2
17	34	17
18	34	2
19	34	1
20	34	2
21	34	1
22	34	2
23	34	1
24	34	2
25	34	1
26	34	2
27	34	1
28	34	2
29	34	1
30	34	2
31	34	1
32	34	2
33	34	1
34	34	34
35	34	1
36	34	2
37	34	1
38	34	2
39	34	1
40	34	2
41	34	1
42	34	2

Number 1	Number 2	GCF
13	34	1
14	34	2
15	34	1
16	34	2
17	34	17
18	34	2
19	34	1
20	34	2
21	34	1
22	34	2
23	34	1
24	34	2
25	34	1
26	34	2
27	34	1
28	34	2
29	34	1
30	34	2
31	34	1
32	34	2
33	34	1
34	34	34
35	34	1
36	34	2
37	34	1
38	34	2
39	34	1
40	34	2
41	34	1
42	34	2

Number 1	Number 2	GCF
13	34	1
14	34	2
15	34	1
16	34	2
17	34	17
18	34	2
19	34	1
20	34	2
21	34	1
22	34	2
23	34	1
24	34	2
25	34	1
26	34	2
27	34	1
28	34	2
29	34	1
30	34	2
31	34	1
32	34	2
33	34	1
34	34	34
35	34	1
36	34	2
37	34	1
38	34	2
39	34	1
40	34	2
41	34	1
42	34	2