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 342, 343 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 342 and 343 is 1.
GCF(342,343) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 342
2 | 342 |
3 | 171 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 342 are 2,3,19. Prime factorization of 342 in exponential form is:
342 = 21×32×191
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 342 and 343 is 1
Factors of 342
List of positive integer factors of 342 that divides 342 without a remainder.
1,2,3,6,9,18,19,38,57,114,171,342
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 342 and 343. The biggest common factor number is the GCF number.
So the greatest common factor 342 and 343 is 1.
Also check out the Least Common Multiple of 342 and 343
(i) The GCF of 342 and 343 is associative
GCF of 342 and 343 = GCF of 343 and 342
1. What is the GCF of 342 and 343?
Answer: GCF of 342 and 343 is 1.
2. What are the Factors of 342?
Answer: Factors of 342 are 1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342. There are 12 integers that are factors of 342. The greatest factor of 342 is 342.
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 342 and 343?
Answer:
Greatest Common Factor of 342 and 343 = 1
Step 1: Find the prime factorization of 342
342 = 2 x 3 x 3 x 19
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 342 and 343 is 1