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 687, 694 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 687 and 694 is 1.
GCF(687,694) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 687
3 | 687 |
229 | 229 |
1 |
Prime factors of 687 are 3,229. Prime factorization of 687 in exponential form is:
687 = 31×2291
Prime Factorization of 694
2 | 694 |
347 | 347 |
1 |
Prime factors of 694 are 2,347. Prime factorization of 694 in exponential form is:
694 = 21×3471
∴ So by taking common prime factors GCF of 687 and 694 is 1
Factors of 687
List of positive integer factors of 687 that divides 687 without a remainder.
1,3,229,687
Factors of 694
List of positive integer factors of 694 that divides 694 without a remainder.
1,2,347,694
Greatest Common Factor
We found the factors and prime factorization of 687 and 694. The biggest common factor number is the GCF number.
So the greatest common factor 687 and 694 is 1.
Also check out the Least Common Multiple of 687 and 694
(i) The GCF of 687 and 694 is associative
GCF of 687 and 694 = GCF of 694 and 687
1. What is the GCF of 687 and 694?
Answer: GCF of 687 and 694 is 1.
2. What are the Factors of 687?
Answer: Factors of 687 are 1, 3, 229, 687. There are 4 integers that are factors of 687. The greatest factor of 687 is 687.
3. What are the Factors of 694?
Answer: Factors of 694 are 1, 2, 347, 694. There are 4 integers that are factors of 694. The greatest factor of 694 is 694.
4. How to Find the GCF of 687 and 694?
Answer:
Greatest Common Factor of 687 and 694 = 1
Step 1: Find the prime factorization of 687
687 = 3 x 229
Step 2: Find the prime factorization of 694
694 = 2 x 347
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 687 and 694 is 1