GCF for 20 and 950

What is the Greatest Common Factor of 20 and 950?

Answer: GCF of 20 and 950 is 10

(Ten)

Finding GCF for 20 and 950 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 950 is to list all factors for both numbers and pick the highest common one:

All factors of 20: 1, 2, 4, 5, 10, 20

All factors of 950: 1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950

So the Greatest Common Factor for 20 and 950 is 10

Finding GCF for 20 and 950 by Prime Factorization

The second method to find GCF for numbers 20 and 950 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 20: 2, 2, 5

All Prime Factors of 950: 2, 5, 5, 19

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
59505
69502
79501
89502
99501
1095010
119501
129502
139501
149502
159505
169502
179501
189502
1995019
2095010
219501
229502
239501
249502
2595025
269502
279501
289502
299501
3095010
319501
329502
339501
349502

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 Factor of 20 and 950? (The answer is: 10). Select the first number (e.g. '20') and the second number (e.g. '950'). 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 Factor of 20 and 950?

GCF of 20 and 950 is 10