What is the Greatest Common Factor of 389 and 407?
Greatest common factor (GCF) of 389 and 407 is 1.
GCF(389,407) = 1
We will now calculate the prime factors of 389 and 407, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 389 and 407.
How to find the GCF of 389 and 407?
We will first find the prime factorization of 389 and 407. After we will calculate the factors of 389 and 407 and find the biggest common factor number .
Step-1: Prime Factorization of 389
Prime factors of 389 are 389. Prime factorization of 389 in exponential form is:
389 = 3891
Step-2: Prime Factorization of 407
Prime factors of 407 are 11, 37. Prime factorization of 407 in exponential form is:
407 = 111 × 371
Step-3: Factors of 389
List of positive integer factors of 389 that divides 389 without a remainder.
1
Step-4: Factors of 407
List of positive integer factors of 407 that divides 389 without a remainder.
1, 11, 37
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 389 and 407. The biggest common factor number is the GCF number.
So the greatest common factor 389 and 407 is 1.
Also check out the Least Common Multiple of 389 and 407
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