What is the Greatest Common Factor of 218 and 228?
Greatest common factor (GCF) of 218 and 228 is 2.
GCF(218,228) = 2
We will now calculate the prime factors of 218 and 228, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 218 and 228.
How to find the GCF of 218 and 228?
We will first find the prime factorization of 218 and 228. After we will calculate the factors of 218 and 228 and find the biggest common factor number .
Step-1: Prime Factorization of 218
Prime factors of 218 are 2, 109. Prime factorization of 218 in exponential form is:
218 = 21 × 1091
Step-2: 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-3: Factors of 218
List of positive integer factors of 218 that divides 218 without a remainder.
1, 2, 109
Step-4: Factors of 228
List of positive integer factors of 228 that divides 218 without a remainder.
1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 218 and 228. The biggest common factor number is the GCF number.
So the greatest common factor 218 and 228 is 2.
Also check out the Least Common Multiple of 218 and 228
Related Greatest Common Factors of 218
- GCF of 218 and 222
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Related Greatest Common Factors of 228
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