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 1786, 1791 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 1786 and 1791 is 1.
GCF(1786,1791) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 1786
2 | 1786 |
19 | 893 |
47 | 47 |
1 |
Prime factors of 1786 are 2,19,47. Prime factorization of 1786 in exponential form is:
1786 = 21×191×471
Prime Factorization of 1791
3 | 1791 |
3 | 597 |
199 | 199 |
1 |
Prime factors of 1791 are 3,199. Prime factorization of 1791 in exponential form is:
1791 = 32×1991
∴ So by taking common prime factors GCF of 1786 and 1791 is 1
Factors of 1786
List of positive integer factors of 1786 that divides 1786 without a remainder.
1,2,19,38,47,94,893,1786
Factors of 1791
List of positive integer factors of 1791 that divides 1791 without a remainder.
1,3,9,199,597,1791
Greatest Common Factor
We found the factors and prime factorization of 1786 and 1791. The biggest common factor number is the GCF number.
So the greatest common factor 1786 and 1791 is 1.
Also check out the Least Common Multiple of 1786 and 1791
(i) The GCF of 1786 and 1791 is associative
GCF of 1786 and 1791 = GCF of 1791 and 1786
1. What is the GCF of 1786 and 1791?
Answer: GCF of 1786 and 1791 is 1.
2. What are the Factors of 1786?
Answer: Factors of 1786 are 1, 2, 19, 38, 47, 94, 893, 1786. There are 8 integers that are factors of 1786. The greatest factor of 1786 is 1786.
3. What are the Factors of 1791?
Answer: Factors of 1791 are 1, 3, 9, 199, 597, 1791. There are 6 integers that are factors of 1791. The greatest factor of 1791 is 1791.
4. How to Find the GCF of 1786 and 1791?
Answer:
Greatest Common Factor of 1786 and 1791 = 1
Step 1: Find the prime factorization of 1786
1786 = 2 x 19 x 47
Step 2: Find the prime factorization of 1791
1791 = 3 x 3 x 199
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 1786 and 1791 is 1