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 3861, 3868 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3861 and 3868 is 1.
GCF(3861,3868) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3861
3 | 3861 |
3 | 1287 |
3 | 429 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 3861 are 3,11,13. Prime factorization of 3861 in exponential form is:
3861 = 33×111×131
Prime Factorization of 3868
2 | 3868 |
2 | 1934 |
967 | 967 |
1 |
Prime factors of 3868 are 2,967. Prime factorization of 3868 in exponential form is:
3868 = 22×9671
∴ So by taking common prime factors GCF of 3861 and 3868 is 1
Factors of 3861
List of positive integer factors of 3861 that divides 3861 without a remainder.
1,3,9,11,13,27,33,39,99,117,143,297,351,429,1287,3861
Factors of 3868
List of positive integer factors of 3868 that divides 3868 without a remainder.
1,2,4,967,1934,3868
Greatest Common Factor
We found the factors and prime factorization of 3861 and 3868. The biggest common factor number is the GCF number.
So the greatest common factor 3861 and 3868 is 1.
Also check out the Least Common Multiple of 3861 and 3868
(i) The GCF of 3861 and 3868 is associative
GCF of 3861 and 3868 = GCF of 3868 and 3861
1. What is the GCF of 3861 and 3868?
Answer: GCF of 3861 and 3868 is 1.
2. What are the Factors of 3861?
Answer: Factors of 3861 are 1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861. There are 16 integers that are factors of 3861. The greatest factor of 3861 is 3861.
3. What are the Factors of 3868?
Answer: Factors of 3868 are 1, 2, 4, 967, 1934, 3868. There are 6 integers that are factors of 3868. The greatest factor of 3868 is 3868.
4. How to Find the GCF of 3861 and 3868?
Answer:
Greatest Common Factor of 3861 and 3868 = 1
Step 1: Find the prime factorization of 3861
3861 = 3 x 3 x 3 x 11 x 13
Step 2: Find the prime factorization of 3868
3868 = 2 x 2 x 967
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 3861 and 3868 is 1