GCF for 18 and 23
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 18 and 23?
Answer: GCF of 18 and 23 is 1
(One)
Finding GCF for 18 and 23 using all factors (divisors) listing
The first method to find GCF for numbers 18 and 23 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 23: 1, 23
So the Greatest Common Factor for 18 and 23 is 1
Finding GCF for 18 and 23 by Prime Factorization
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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 23? (The answer is: 1). Select the first number (e.g. '18') and the second number (e.g. '23'). 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