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 135, 140 i.e. 5 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 135 and 140 is 5.
GCF(135,140) = 5
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 135
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 135 are 3,5. Prime factorization of 135 in exponential form is:
135 = 33×51
Prime Factorization of 140
2 | 140 |
2 | 70 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 140 are 2,5,7. Prime factorization of 140 in exponential form is:
140 = 22×51×71
∴ So by taking common prime factors GCF of 135 and 140 is 5
Factors of 135
List of positive integer factors of 135 that divides 135 without a remainder.
1,3,5,9,15,27,45,135
Factors of 140
List of positive integer factors of 140 that divides 140 without a remainder.
1,2,4,5,7,10,14,20,28,35,70,140
Greatest Common Factor
We found the factors and prime factorization of 135 and 140. The biggest common factor number is the GCF number.
So the greatest common factor 135 and 140 is 5.
Also check out the Least Common Multiple of 135 and 140
(i) The GCF of 135 and 140 is associative
GCF of 135 and 140 = GCF of 140 and 135
1. What is the GCF of 135 and 140?
Answer: GCF of 135 and 140 is 5.
2. What are the Factors of 135?
Answer: Factors of 135 are 1, 3, 5, 9, 15, 27, 45, 135. There are 8 integers that are factors of 135. The greatest factor of 135 is 135.
3. What are the Factors of 140?
Answer: Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. There are 12 integers that are factors of 140. The greatest factor of 140 is 140.
4. How to Find the GCF of 135 and 140?
Answer:
Greatest Common Factor of 135 and 140 = 5
Step 1: Find the prime factorization of 135
135 = 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 140
140 = 2 x 2 x 5 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 5
Step 4: Therefore, the greatest common factor of 135 and 140 is 5