Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 381, 386 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 381 and 386 is 1.
GCF(381,386) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 381
3 | 381 |
127 | 127 |
1 |
Prime factors of 381 are 3,127. Prime factorization of 381 in exponential form is:
381 = 31×1271
Prime Factorization of 386
2 | 386 |
193 | 193 |
1 |
Prime factors of 386 are 2,193. Prime factorization of 386 in exponential form is:
386 = 21×1931
∴ So by taking common prime factors GCF of 381 and 386 is 1
Factors of 381
List of positive integer factors of 381 that divides 381 without a remainder.
1,3,127,381
Factors of 386
List of positive integer factors of 386 that divides 386 without a remainder.
1,2,193,386
Greatest Common Factor
We found the factors and prime factorization of 381 and 386. The biggest common factor number is the GCF number.
So the greatest common factor 381 and 386 is 1.
Also check out the Least Common Multiple of 381 and 386
(i) The GCF of 381 and 386 is associative
GCF of 381 and 386 = GCF of 386 and 381
1. What is the GCF of 381 and 386?
Answer: GCF of 381 and 386 is 1.
2. What are the Factors of 381?
Answer: Factors of 381 are 1, 3, 127, 381. There are 4 integers that are factors of 381. The greatest factor of 381 is 381.
3. What are the Factors of 386?
Answer: Factors of 386 are 1, 2, 193, 386. There are 4 integers that are factors of 386. The greatest factor of 386 is 386.
4. How to Find the GCF of 381 and 386?
Answer:
Greatest Common Factor of 381 and 386 = 1
Step 1: Find the prime factorization of 381
381 = 3 x 127
Step 2: Find the prime factorization of 386
386 = 2 x 193
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 381 and 386 is 1