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 125, 129 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 125 and 129 is 1.
GCF(125,129) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 129
3 | 129 |
43 | 43 |
1 |
Prime factors of 129 are 3.Prime factorization of 129 in exponential form is:
129 = 31×431
∴ So by taking common prime factors GCF of 125 and 129 is 1
Factors of 125
List of positive integer factors of 125 that divides 125 without a remainder.
1,5,25,125
Factors of 129
List of positive integer factors of 129 that divides 129 without a remainder.
1,3,43,129
Greatest Common Factor
We found the factors and prime factorization of 125 and 129. The biggest common factor number is the GCF number.
So the greatest common factor 125 and 129 is 1.
Also check out the Least Common Multiple of 125 and 129
(i) The GCF of 125 and 129 is associative
GCF of 125 and 129 = GCF of 129 and 125
1. What is the GCF of 125 and 129?
Answer: GCF of 125 and 129 is 1.
2. 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.
3. What are the Factors of 129?
Answer: Factors of 129 are 1, 3, 43, 129. There are 4 integers that are factors of 129. The greatest factor of 129 is 129.
4. How to Find the GCF of 125 and 129?
Answer:
Greatest Common Factor of 125 and 129 = 1
Step 1: Find the prime factorization of 125
125 = 5 x 5 x 5
Step 2: Find the prime factorization of 129
129 = 3 x 43
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 125 and 129 is 1