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 438, 443 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 438 and 443 is 1.
GCF(438,443) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 438
2 | 438 |
3 | 219 |
73 | 73 |
1 |
Prime factors of 438 are 2,3,73. Prime factorization of 438 in exponential form is:
438 = 21×31×731
Prime Factorization of 443
443 | 443 |
1 |
Prime factors of 443 are 443. Prime factorization of 443 in exponential form is:
443 = 4431
∴ So by taking common prime factors GCF of 438 and 443 is 1
Factors of 438
List of positive integer factors of 438 that divides 438 without a remainder.
1,2,3,6,73,146,219,438
Factors of 443
List of positive integer factors of 443 that divides 443 without a remainder.
1,443
Greatest Common Factor
We found the factors and prime factorization of 438 and 443. The biggest common factor number is the GCF number.
So the greatest common factor 438 and 443 is 1.
Also check out the Least Common Multiple of 438 and 443
(i) The GCF of 438 and 443 is associative
GCF of 438 and 443 = GCF of 443 and 438
1. What is the GCF of 438 and 443?
Answer: GCF of 438 and 443 is 1.
2. What are the Factors of 438?
Answer: Factors of 438 are 1, 2, 3, 6, 73, 146, 219, 438. There are 8 integers that are factors of 438. The greatest factor of 438 is 438.
3. What are the Factors of 443?
Answer: Factors of 443 are 1, 443. There are 2 integers that are factors of 443. The greatest factor of 443 is 443.
4. How to Find the GCF of 438 and 443?
Answer:
Greatest Common Factor of 438 and 443 = 1
Step 1: Find the prime factorization of 438
438 = 2 x 3 x 73
Step 2: Find the prime factorization of 443
443 = 443
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 438 and 443 is 1