What is the Greatest Common Factor of 338 and 358?
Greatest common factor (GCF) of 338 and 358 is 2.
GCF(338,358) = 2
We will now calculate the prime factors of 338 and 358, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 338 and 358.
How to find the GCF of 338 and 358?
We will first find the prime factorization of 338 and 358. After we will calculate the factors of 338 and 358 and find the biggest common factor number .
Step-1: Prime Factorization of 338
Prime factors of 338 are 2, 13. Prime factorization of 338 in exponential form is:
338 = 21 × 132
Step-2: Prime Factorization of 358
Prime factors of 358 are 2, 179. Prime factorization of 358 in exponential form is:
358 = 21 × 1791
Step-3: Factors of 338
List of positive integer factors of 338 that divides 338 without a remainder.
1, 2, 13, 26, 169
Step-4: Factors of 358
List of positive integer factors of 358 that divides 338 without a remainder.
1, 2, 179
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 338 and 358. The biggest common factor number is the GCF number.
So the greatest common factor 338 and 358 is 2.
Also check out the Least Common Multiple of 338 and 358
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