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 121, 125 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 121 and 125 is 1.
GCF(121,125) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 121
11 | 121 |
11 | 11 |
1 |
Prime factors of 121 are 11. Prime factorization of 121 in exponential form is:
121 = 112
Prime Factorization of 125
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 125 are 5.Prime factorization of 125 in exponential form is:
125 = 53
∴ So by taking common prime factors GCF of 121 and 125 is 1
Factors of 121
List of positive integer factors of 121 that divides 121 without a remainder.
1,11,121
Factors of 125
List of positive integer factors of 125 that divides 125 without a remainder.
1,5,25,125
Greatest Common Factor
We found the factors and prime factorization of 121 and 125. The biggest common factor number is the GCF number.
So the greatest common factor 121 and 125 is 1.
Also check out the Least Common Multiple of 121 and 125
(i) The GCF of 121 and 125 is associative
GCF of 121 and 125 = GCF of 125 and 121
1. What is the GCF of 121 and 125?
Answer: GCF of 121 and 125 is 1.
2. What are the Factors of 121?
Answer: Factors of 121 are 1, 11, 121. There are 3 integers that are factors of 121. The greatest factor of 121 is 121.
3. What are the Factors of 125?
Answer: Factors of 125 are 1, 5, 25, 125. There are 4 integers that are factors of 125. The greatest factor of 125 is 125.
4. How to Find the GCF of 121 and 125?
Answer:
Greatest Common Factor of 121 and 125 = 1
Step 1: Find the prime factorization of 121
121 = 11 x 11
Step 2: Find the prime factorization of 125
125 = 5 x 5 x 5
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 121 and 125 is 1