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 388, 396 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 388 and 396 is 4.
GCF(388,396) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 388
2 | 388 |
2 | 194 |
97 | 97 |
1 |
Prime factors of 388 are 2,97. Prime factorization of 388 in exponential form is:
388 = 22×971
Prime Factorization of 396
2 | 396 |
2 | 198 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 396 are 2,3,11. Prime factorization of 396 in exponential form is:
396 = 22×32×111
∴ So by taking common prime factors GCF of 388 and 396 is 4
Factors of 388
List of positive integer factors of 388 that divides 388 without a remainder.
1,2,4,97,194,388
Factors of 396
List of positive integer factors of 396 that divides 396 without a remainder.
1,2,3,4,6,9,11,12,18,22,33,36,44,66,99,132,198,396
Greatest Common Factor
We found the factors and prime factorization of 388 and 396. The biggest common factor number is the GCF number.
So the greatest common factor 388 and 396 is 4.
Also check out the Least Common Multiple of 388 and 396
(i) The GCF of 388 and 396 is associative
GCF of 388 and 396 = GCF of 396 and 388
1. What is the GCF of 388 and 396?
Answer: GCF of 388 and 396 is 4.
2. What are the Factors of 388?
Answer: Factors of 388 are 1, 2, 4, 97, 194, 388. There are 6 integers that are factors of 388. The greatest factor of 388 is 388.
3. What are the Factors of 396?
Answer: Factors of 396 are 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396. There are 18 integers that are factors of 396. The greatest factor of 396 is 396.
4. How to Find the GCF of 388 and 396?
Answer:
Greatest Common Factor of 388 and 396 = 4
Step 1: Find the prime factorization of 388
388 = 2 x 2 x 97
Step 2: Find the prime factorization of 396
396 = 2 x 2 x 3 x 3 x 11
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 388 and 396 is 4