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 920, 923 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 920 and 923 is 1.
GCF(920,923) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 920
2 | 920 |
2 | 460 |
2 | 230 |
5 | 115 |
23 | 23 |
1 |
Prime factors of 920 are 2,5,23. Prime factorization of 920 in exponential form is:
920 = 23×51×231
Prime Factorization of 923
13 | 923 |
71 | 71 |
1 |
Prime factors of 923 are 13,71. Prime factorization of 923 in exponential form is:
923 = 131×711
∴ So by taking common prime factors GCF of 920 and 923 is 1
Factors of 920
List of positive integer factors of 920 that divides 920 without a remainder.
1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920
Factors of 923
List of positive integer factors of 923 that divides 923 without a remainder.
1,13,71,923
Greatest Common Factor
We found the factors and prime factorization of 920 and 923. The biggest common factor number is the GCF number.
So the greatest common factor 920 and 923 is 1.
Also check out the Least Common Multiple of 920 and 923
(i) The GCF of 920 and 923 is associative
GCF of 920 and 923 = GCF of 923 and 920
1. What is the GCF of 920 and 923?
Answer: GCF of 920 and 923 is 1.
2. What are the Factors of 920?
Answer: Factors of 920 are 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920. There are 16 integers that are factors of 920. The greatest factor of 920 is 920.
3. What are the Factors of 923?
Answer: Factors of 923 are 1, 13, 71, 923. There are 4 integers that are factors of 923. The greatest factor of 923 is 923.
4. How to Find the GCF of 920 and 923?
Answer:
Greatest Common Factor of 920 and 923 = 1
Step 1: Find the prime factorization of 920
920 = 2 x 2 x 2 x 5 x 23
Step 2: Find the prime factorization of 923
923 = 13 x 71
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 920 and 923 is 1