What is the Greatest Common Factor of 380 and 394?
Greatest common factor (GCF) of 380 and 394 is 2.
GCF(380,394) = 2
We will now calculate the prime factors of 380 and 394, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 380 and 394.
How to find the GCF of 380 and 394?
We will first find the prime factorization of 380 and 394. After we will calculate the factors of 380 and 394 and find the biggest common factor number .
Step-1: Prime Factorization of 380
Prime factors of 380 are 2, 5, 19. Prime factorization of 380 in exponential form is:
380 = 22 × 51 × 191
Step-2: Prime Factorization of 394
Prime factors of 394 are 2, 197. Prime factorization of 394 in exponential form is:
394 = 21 × 1971
Step-3: Factors of 380
List of positive integer factors of 380 that divides 380 without a remainder.
1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190
Step-4: Factors of 394
List of positive integer factors of 394 that divides 380 without a remainder.
1, 2, 197
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 380 and 394. The biggest common factor number is the GCF number.
So the greatest common factor 380 and 394 is 2.
Also check out the Least Common Multiple of 380 and 394
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