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, 349 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 342 and 349 is 1.
GCF(342,349) = 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 349
349 | 349 |
1 |
Prime factors of 349 are 349. Prime factorization of 349 in exponential form is:
349 = 3491
∴ So by taking common prime factors GCF of 342 and 349 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 349
List of positive integer factors of 349 that divides 349 without a remainder.
1,349
Greatest Common Factor
We found the factors and prime factorization of 342 and 349. The biggest common factor number is the GCF number.
So the greatest common factor 342 and 349 is 1.
Also check out the Least Common Multiple of 342 and 349
(i) The GCF of 342 and 349 is associative
GCF of 342 and 349 = GCF of 349 and 342
1. What is the GCF of 342 and 349?
Answer: GCF of 342 and 349 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 349?
Answer: Factors of 349 are 1, 349. There are 2 integers that are factors of 349. The greatest factor of 349 is 349.
4. How to Find the GCF of 342 and 349?
Answer:
Greatest Common Factor of 342 and 349 = 1
Step 1: Find the prime factorization of 342
342 = 2 x 3 x 3 x 19
Step 2: Find the prime factorization of 349
349 = 349
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 349 is 1