GCF for 12 and 4
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 12 and 4?
Answer: GCF of 12 and 4 is 4
(Four)
Finding GCF for 12 and 4 using all factors (divisors) listing
The first method to find GCF for numbers 12 and 4 is to list all factors for both numbers and pick the highest common one:
All factors of 12: 1, 2, 3, 4, 6, 12
All factors of 4: 1, 2, 4
So the Greatest Common Factor for 12 and 4 is 4
Finding GCF for 12 and 4 by Prime Factorization
The second method to find GCF for numbers 12 and 4 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 12: 2, 2, 3
All Prime Factors of 4: 2, 2
As we can see there are Prime Factors common to both numbers: 2, 2
Now we need to multiply them to find GCF: 2 × 2 = 4
Related Calculations
See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
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 12 and 4? (The answer is: 4). Select the first number (e.g. '12') and the second number (e.g. '4'). 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 12 and 4?
GCF of 12 and 4 is 4
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- Наибольший общий делитель 12 и 4