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 4905, 4911 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 4905 and 4911 is 3.
GCF(4905,4911) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 4905
3 | 4905 |
3 | 1635 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 4905 are 3,5,109. Prime factorization of 4905 in exponential form is:
4905 = 32×51×1091
Prime Factorization of 4911
3 | 4911 |
1637 | 1637 |
1 |
Prime factors of 4911 are 3,1637. Prime factorization of 4911 in exponential form is:
4911 = 31×16371
∴ So by taking common prime factors GCF of 4905 and 4911 is 3
Factors of 4905
List of positive integer factors of 4905 that divides 4905 without a remainder.
1,3,5,9,15,45,109,327,545,981,1635,4905
Factors of 4911
List of positive integer factors of 4911 that divides 4911 without a remainder.
1,3,1637,4911
Greatest Common Factor
We found the factors and prime factorization of 4905 and 4911. The biggest common factor number is the GCF number.
So the greatest common factor 4905 and 4911 is 3.
Also check out the Least Common Multiple of 4905 and 4911
(i) The GCF of 4905 and 4911 is associative
GCF of 4905 and 4911 = GCF of 4911 and 4905
1. What is the GCF of 4905 and 4911?
Answer: GCF of 4905 and 4911 is 3.
2. What are the Factors of 4905?
Answer: Factors of 4905 are 1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905. There are 12 integers that are factors of 4905. The greatest factor of 4905 is 4905.
3. What are the Factors of 4911?
Answer: Factors of 4911 are 1, 3, 1637, 4911. There are 4 integers that are factors of 4911. The greatest factor of 4911 is 4911.
4. How to Find the GCF of 4905 and 4911?
Answer:
Greatest Common Factor of 4905 and 4911 = 3
Step 1: Find the prime factorization of 4905
4905 = 3 x 3 x 5 x 109
Step 2: Find the prime factorization of 4911
4911 = 3 x 1637
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 4905 and 4911 is 3