What is the Greatest Common Factor of 386 and 398?
Greatest common factor (GCF) of 386 and 398 is 2.
GCF(386,398) = 2
We will now calculate the prime factors of 386 and 398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 386 and 398.
How to find the GCF of 386 and 398?
We will first find the prime factorization of 386 and 398. After we will calculate the factors of 386 and 398 and find the biggest common factor number .
Step-1: Prime Factorization of 386
Prime factors of 386 are 2, 193. Prime factorization of 386 in exponential form is:
386 = 21 × 1931
Step-2: Prime Factorization of 398
Prime factors of 398 are 2, 199. Prime factorization of 398 in exponential form is:
398 = 21 × 1991
Step-3: Factors of 386
List of positive integer factors of 386 that divides 386 without a remainder.
1, 2, 193
Step-4: Factors of 398
List of positive integer factors of 398 that divides 386 without a remainder.
1, 2, 199
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 386 and 398. The biggest common factor number is the GCF number.
So the greatest common factor 386 and 398 is 2.
Also check out the Least Common Multiple of 386 and 398
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