What is the Greatest Common Factor of 228 and 238?
Greatest common factor (GCF) of 228 and 238 is 2.
GCF(228,238) = 2
We will now calculate the prime factors of 228 and 238, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 228 and 238.
How to find the GCF of 228 and 238?
We will first find the prime factorization of 228 and 238. After we will calculate the factors of 228 and 238 and find the biggest common factor number .
Step-1: Prime Factorization of 228
Prime factors of 228 are 2, 3, 19. Prime factorization of 228 in exponential form is:
228 = 22 × 31 × 191
Step-2: Prime Factorization of 238
Prime factors of 238 are 2, 7, 17. Prime factorization of 238 in exponential form is:
238 = 21 × 71 × 171
Step-3: Factors of 228
List of positive integer factors of 228 that divides 228 without a remainder.
1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114
Step-4: Factors of 238
List of positive integer factors of 238 that divides 228 without a remainder.
1, 2, 7, 14, 17, 34, 119
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 228 and 238. The biggest common factor number is the GCF number.
So the greatest common factor 228 and 238 is 2.
Also check out the Least Common Multiple of 228 and 238
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Related Greatest Common Factors of 238
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