GCF for 30 and 230

What is the Greatest common Divisor of 30 and 230?

Answer: GCF of 30 and 230 is 10

(Ten)

Finding GCF for 30 and 230 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 230 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 230: 1, 2, 5, 10, 23, 46, 115, 230

So the Greatest Common Factor for 30 and 230 is 10

Finding GCF for 30 and 230 by Prime Factorization

The second method to find GCF for numbers 30 and 230 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 230: 2, 5, 23

As we can see there are Prime Factors common to both numbers: 2, 5

Now we need to multiply them to find GCF: 2 × 5 = 10

Related Calculations

GCF Table

Number 1Number 2GCF
152305
162302
172301
182302
192301
2023010
212301
222302
2323023
242302
252305
262302
272301
282302
292301
3023010
312301
322302
332301
342302
352305
362302
372301
382302
392301
4023010
412301
422302
432301
442302

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 230? (The answer is: 10). Select the first number (e.g. '30') and the second number (e.g. '230'). 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

FAQ

What is the Greatest common Divisor of 30 and 230?

GCF of 30 and 230 is 10