GCF for 30 and 95

What is the Greatest common Divisor of 30 and 95?

Answer: GCF of 30 and 95 is 5

(Five)

Finding GCF for 30 and 95 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 95 is to list all factors for both numbers and pick the highest common one:

All factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

All factors of 95: 1, 5, 19, 95

So the Greatest Common Factor for 30 and 95 is 5

Finding GCF for 30 and 95 by Prime Factorization

The second method to find GCF for numbers 30 and 95 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 30: 2, 3, 5

All Prime Factors of 95: 5, 19

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 30 and 95

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 30 and 95? (The answer is: 5). Select the first number (e.g. '30') and the second number (e.g. '95'). 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

GCF Table

Number 1Number 2GCF
15955
16951
17951
18951
199519
20955
21951
22951
23951
24951
25955
26951
27951
28951
29951
3095
31951
32951
33951
34951
35955
36951
37951
3895
39951
40955
41951
42951
43951
44951

FAQ

What is the Greatest common Divisor of 30 and 95?

GCF of 30 and 95 is 5