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 118, 126 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 118 and 126 is 2.
GCF(118,126) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 118
2 | 118 |
59 | 59 |
1 |
Prime factors of 118 are 2,59. Prime factorization of 118 in exponential form is:
118 = 21×591
Prime Factorization of 126
2 | 126 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 126 are 2,3,7. Prime factorization of 126 in exponential form is:
126 = 21×32×71
∴ So by taking common prime factors GCF of 118 and 126 is 2
Factors of 118
List of positive integer factors of 118 that divides 118 without a remainder.
1,2,59,118
Factors of 126
List of positive integer factors of 126 that divides 126 without a remainder.
1,2,3,6,7,9,14,18,21,42,63,126
Greatest Common Factor
We found the factors and prime factorization of 118 and 126. The biggest common factor number is the GCF number.
So the greatest common factor 118 and 126 is 2.
Also check out the Least Common Multiple of 118 and 126
(i) The GCF of 118 and 126 is associative
GCF of 118 and 126 = GCF of 126 and 118
1. What is the GCF of 118 and 126?
Answer: GCF of 118 and 126 is 2.
2. What are the Factors of 118?
Answer: Factors of 118 are 1, 2, 59, 118. There are 4 integers that are factors of 118. The greatest factor of 118 is 118.
3. What are the Factors of 126?
Answer: Factors of 126 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126. There are 12 integers that are factors of 126. The greatest factor of 126 is 126.
4. How to Find the GCF of 118 and 126?
Answer:
Greatest Common Factor of 118 and 126 = 2
Step 1: Find the prime factorization of 118
118 = 2 x 59
Step 2: Find the prime factorization of 126
126 = 2 x 3 x 3 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 118 and 126 is 2