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 133, 140 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 133 and 140 is 7.
GCF(133,140) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 133
7 | 133 |
19 | 19 |
1 |
Prime factors of 133 are 7,19. Prime factorization of 133 in exponential form is:
133 = 71×191
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 133 and 140 is 7
Factors of 133
List of positive integer factors of 133 that divides 133 without a remainder.
1,7,19,133
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 133 and 140. The biggest common factor number is the GCF number.
So the greatest common factor 133 and 140 is 7.
Also check out the Least Common Multiple of 133 and 140
(i) The GCF of 133 and 140 is associative
GCF of 133 and 140 = GCF of 140 and 133
1. What is the GCF of 133 and 140?
Answer: GCF of 133 and 140 is 7.
2. What are the Factors of 133?
Answer: Factors of 133 are 1, 7, 19, 133. There are 4 integers that are factors of 133. The greatest factor of 133 is 133.
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 133 and 140?
Answer:
Greatest Common Factor of 133 and 140 = 7
Step 1: Find the prime factorization of 133
133 = 7 x 19
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 = 7
Step 4: Therefore, the greatest common factor of 133 and 140 is 7