GCF for 10 and 345

What is the Greatest common Divisor of 10 and 345?

Answer: GCF of 10 and 345 is 5

(Five)

Finding GCF for 10 and 345 using all factors (divisors) listing

The first method to find GCF for numbers 10 and 345 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 345: 1, 3, 5, 15, 23, 69, 115, 345

So the Greatest Common Factor for 10 and 345 is 5

Finding GCF for 10 and 345 by Prime Factorization

The second method to find GCF for numbers 10 and 345 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 345: 3, 5, 23

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 10 and 345

Related Calculations

GCF Table

Number 1Number 2GCF
13451
23451
33453
43451
53455
63453
73451
83451
93453
103455
113451
123453
133451
143451
1534515
163451
173451
183453
193451
203455
213453
223451
2334523
243453
253455
263451
273453
283451
293451
3034515

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 345? (The answer is: 5). Select the first number (e.g. '10') and the second number (e.g. '345'). 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 345?

GCF of 10 and 345 is 5