GCF for 30 and 250

What is the Greatest common Divisor of 30 and 250?

Answer: GCF of 30 and 250 is 10

(Ten)

Finding GCF for 30 and 250 using all factors (divisors) listing

The first method to find GCF for numbers 30 and 250 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 250: 1, 2, 5, 10, 25, 50, 125, 250

So the Greatest Common Factor for 30 and 250 is 10

Finding GCF for 30 and 250 by Prime Factorization

The second method to find GCF for numbers 30 and 250 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 250: 2, 5, 5, 5

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

GCF Table

Number 1Number 2GCF
152505
162502
172501
182502
192501
2025010
212501
222502
232501
242502
2525025
262502
272501
282502
292501
3025010
312501
322502
332501
342502
352505
362502
372501
382502
392501
4025010
412501
422502
432501
442502

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 250? (The answer is: 10). Select the first number (e.g. '30') and the second number (e.g. '250'). 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 250?

GCF of 30 and 250 is 10