What is the Greatest Common Factor of 188 and 206?
Greatest common factor (GCF) of 188 and 206 is 2.
GCF(188,206) = 2
We will now calculate the prime factors of 188 and 206, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 188 and 206.
How to find the GCF of 188 and 206?
We will first find the prime factorization of 188 and 206. After we will calculate the factors of 188 and 206 and find the biggest common factor number .
Step-1: Prime Factorization of 188
Prime factors of 188 are 2, 47. Prime factorization of 188 in exponential form is:
188 = 22 × 471
Step-2: Prime Factorization of 206
Prime factors of 206 are 2, 103. Prime factorization of 206 in exponential form is:
206 = 21 × 1031
Step-3: Factors of 188
List of positive integer factors of 188 that divides 188 without a remainder.
1, 2, 4, 47, 94
Step-4: Factors of 206
List of positive integer factors of 206 that divides 188 without a remainder.
1, 2, 103
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 188 and 206. The biggest common factor number is the GCF number.
So the greatest common factor 188 and 206 is 2.
Also check out the Least Common Multiple of 188 and 206
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