GCF for 39 and 45
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 39 and 45?
Answer: GCF of 39 and 45 is 3
(Three)
Finding GCF for 39 and 45 using all factors (divisors) listing
The first method to find GCF for numbers 39 and 45 is to list all factors for both numbers and pick the highest common one:
All factors of 39: 1, 3, 13, 39
All factors of 45: 1, 3, 5, 9, 15, 45
So the Greatest Common Factor for 39 and 45 is 3
Finding GCF for 39 and 45 by Prime Factorization
The second method to find GCF for numbers 39 and 45 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 39: 3, 13
All Prime Factors of 45: 3, 3, 5
As we can see there is only one Prime Factor common to both numbers. It is 3
So 3 is the Greatest Common Factor of 39 and 45
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 39 and 45? (The answer is: 3). Select the first number (e.g. '39') and the second number (e.g. '45'). 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 39 and 45?
GCF of 39 and 45 is 3
See Also
- What is the GCF of 38 and 44
- What is the GCF of 38 and 48
- What is the GCF of 38 and 57
- What is the GCF of 38 and 76
- What is the GCF of 38 and 82
- What is the GCF of 38 and 95
- What is the GCF of 38 and 152
- What is the GCF of 39 and 9
- What is the GCF of 39 and 40
- What is the GCF of 39 and 42
- What is the GCF of 39 and 48
- What is the GCF of 39 and 52
- What is the GCF of 39 and 56
- What is the GCF of 39 and 65
- What is the GCF of 39 and 78
- What is the GCF of 39 and 91
- What is the GCF of 39 and 117
- What is the GCF of 40 and 42
- What is the GCF of 40 and 45
- What is the GCF of 40 and 48
- Наибольший общий делитель 39 и 45