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 33, 38 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 33 and 38 is 1.
GCF(33,38) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 33
3 | 33 |
11 | 11 |
1 |
Prime factors of 33 are 3,11. Prime factorization of 33 in exponential form is:
33 = 31×111
Prime Factorization of 38
2 | 38 |
19 | 19 |
1 |
Prime factors of 38 are 2,19. Prime factorization of 38 in exponential form is:
38 = 21×191
∴ So by taking common prime factors GCF of 33 and 38 is 1
Factors of 33
List of positive integer factors of 33 that divides 33 without a remainder.
1,3,11,33
Factors of 38
List of positive integer factors of 38 that divides 38 without a remainder.
1,2,19,38
Greatest Common Factor
We found the factors and prime factorization of 33 and 38. The biggest common factor number is the GCF number.
So the greatest common factor 33 and 38 is 1.
Also check out the Least Common Multiple of 33 and 38
(i) The GCF of 33 and 38 is associative
GCF of 33 and 38 = GCF of 38 and 33
1. What is the GCF of 33 and 38?
Answer: GCF of 33 and 38 is 1.
2. What are the Factors of 33?
Answer: Factors of 33 are 1, 3, 11, 33. There are 4 integers that are factors of 33. The greatest factor of 33 is 33.
3. What are the Factors of 38?
Answer: Factors of 38 are 1, 2, 19, 38. There are 4 integers that are factors of 38. The greatest factor of 38 is 38.
4. How to Find the GCF of 33 and 38?
Answer:
Greatest Common Factor of 33 and 38 = 1
Step 1: Find the prime factorization of 33
33 = 3 x 11
Step 2: Find the prime factorization of 38
38 = 2 x 19
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 33 and 38 is 1