What is the Greatest Common Factor of 124 and 144?
Greatest common factor (GCF) of 124 and 144 is 4.
GCF(124,144) = 4
We will now calculate the prime factors of 124 and 144, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 124 and 144.
How to find the GCF of 124 and 144?
We will first find the prime factorization of 124 and 144. After we will calculate the factors of 124 and 144 and find the biggest common factor number .
Step-1: Prime Factorization of 124
Prime factors of 124 are 2, 31. Prime factorization of 124 in exponential form is:
124 = 22 × 311
Step-2: Prime Factorization of 144
Prime factors of 144 are 2, 3. Prime factorization of 144 in exponential form is:
144 = 24 × 32
Step-3: Factors of 124
List of positive integer factors of 124 that divides 124 without a remainder.
1, 2, 4, 31, 62
Step-4: Factors of 144
List of positive integer factors of 144 that divides 124 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 124 and 144. The biggest common factor number is the GCF number.
So the greatest common factor 124 and 144 is 4.
Also check out the Least Common Multiple of 124 and 144
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