GCF for 18 and 56
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 18 and 56?
Answer: GCF of 18 and 56 is 2
(Two)
Finding GCF for 18 and 56 using all factors (divisors) listing
The first method to find GCF for numbers 18 and 56 is to list all factors for both numbers and pick the highest common one:
All factors of 18: 1, 2, 3, 6, 9, 18
All factors of 56: 1, 2, 4, 7, 8, 14, 28, 56
So the Greatest Common Factor for 18 and 56 is 2
Finding GCF for 18 and 56 by Prime Factorization
The second method to find GCF for numbers 18 and 56 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 18: 2, 3, 3
All Prime Factors of 56: 2, 2, 2, 7
As we can see there is only one Prime Factor common to both numbers. It is 2
So 2 is the Greatest Common Factor of 18 and 56
Related Calculations
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 18 and 56? (The answer is: 2). Select the first number (e.g. '18') and the second number (e.g. '56'). 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
"Greatest Common Factor" Calculator
GCF Table
FAQ
What is the Greatest common Divisor of 18 and 56?
GCF of 18 and 56 is 2
See Also
- What is the GCF of 18 and 36
- What is the GCF of 18 and 38
- What is the GCF of 18 and 39
- What is the GCF of 18 and 40
- What is the GCF of 18 and 42
- What is the GCF of 18 and 45
- What is the GCF of 18 and 48
- What is the GCF of 18 and 50
- What is the GCF of 18 and 52
- What is the GCF of 18 and 54
- What is the GCF of 18 and 60
- What is the GCF of 18 and 63
- What is the GCF of 18 and 64
- What is the GCF of 18 and 66
- What is the GCF of 18 and 72
- What is the GCF of 18 and 81
- What is the GCF of 18 and 84
- What is the GCF of 18 and 90
- What is the GCF of 18 and 96
- What is the GCF of 18 and 100
- Наибольший общий делитель 18 и 56