GCF for 30 and 58

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 30 and 58?

Answer: GCF of 30 and 58 is 2

(Two)

Finding GCF for 30 and 58 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 58 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 58: 1, 2, 29, 58

So the Greatest Common Factor for 30 and 58 is 2

Finding GCF for 30 and 58 by Prime Factorization

The second method to find GCF for numbers 30 and 58 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 58: 2, 29

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 30 and 58

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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 30 and 58? (The answer is: 2). Select the first number (e.g. '30') and the second number (e.g. '58'). 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
15581
16582
17581
18582
19581
20582
21581
22582
23581
24582
25581
26582
27581
28582
295829
30582
31581
32582
33581
34582
35581
36582
37581
38582
39581
40582
41581
42582
43581
44582

FAQ

What is the Greatest common Divisor of 30 and 58?

GCF of 30 and 58 is 2

See Also