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 338, 343 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 338 and 343 is 1.
GCF(338,343) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 338
2 | 338 |
13 | 169 |
13 | 13 |
1 |
Prime factors of 338 are 2,13. Prime factorization of 338 in exponential form is:
338 = 21×132
Prime Factorization of 343
7 | 343 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 343 are 7. Prime factorization of 343 in exponential form is:
343 = 73
∴ So by taking common prime factors GCF of 338 and 343 is 1
Factors of 338
List of positive integer factors of 338 that divides 338 without a remainder.
1,2,13,26,169,338
Factors of 343
List of positive integer factors of 343 that divides 343 without a remainder.
1,7,49,343
Greatest Common Factor
We found the factors and prime factorization of 338 and 343. The biggest common factor number is the GCF number.
So the greatest common factor 338 and 343 is 1.
Also check out the Least Common Multiple of 338 and 343
(i) The GCF of 338 and 343 is associative
GCF of 338 and 343 = GCF of 343 and 338
1. What is the GCF of 338 and 343?
Answer: GCF of 338 and 343 is 1.
2. What are the Factors of 338?
Answer: Factors of 338 are 1, 2, 13, 26, 169, 338. There are 6 integers that are factors of 338. The greatest factor of 338 is 338.
3. What are the Factors of 343?
Answer: Factors of 343 are 1, 7, 49, 343. There are 4 integers that are factors of 343. The greatest factor of 343 is 343.
4. How to Find the GCF of 338 and 343?
Answer:
Greatest Common Factor of 338 and 343 = 1
Step 1: Find the prime factorization of 338
338 = 2 x 13 x 13
Step 2: Find the prime factorization of 343
343 = 7 x 7 x 7
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 338 and 343 is 1