GCF for 10 and 280

What is the Greatest common Divisor of 10 and 280?

Answer: GCF of 10 and 280 is 10

(Ten)

Finding GCF for 10 and 280 using all factors (divisors) listing

The first method to find GCF for numbers 10 and 280 is to list all factors for both numbers and pick the highest common one:

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

All factors of 280: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280

So the Greatest Common Factor for 10 and 280 is 10

Finding GCF for 10 and 280 by Prime Factorization

The second method to find GCF for numbers 10 and 280 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 10: 2, 5

All Prime Factors of 280: 2, 2, 2, 5, 7

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
12801
22802
32801
42804
52805
62802
72807
82808
92801
1028010
112801
122804
132801
1428014
152805
162808
172801
182802
192801
2028020
212807
222802
232801
242808
252805
262802
272801
2828028
292801
3028010

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 10 and 280? (The answer is: 10). Select the first number (e.g. '10') and the second number (e.g. '280'). 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 10 and 280?

GCF of 10 and 280 is 10