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 153, 156 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 153 and 156 is 3.
GCF(153,156) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 153
3 | 153 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 153 are 3,17. Prime factorization of 153 in exponential form is:
153 = 32×171
Prime Factorization of 156
2 | 156 |
2 | 78 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 156 are 2,3,13. Prime factorization of 156 in exponential form is:
156 = 22×31×131
∴ So by taking common prime factors GCF of 153 and 156 is 3
Factors of 153
List of positive integer factors of 153 that divides 153 without a remainder.
1,3,9,17,51,153
Factors of 156
List of positive integer factors of 156 that divides 156 without a remainder.
1,2,3,4,6,12,13,26,39,52,78,156
Greatest Common Factor
We found the factors and prime factorization of 153 and 156. The biggest common factor number is the GCF number.
So the greatest common factor 153 and 156 is 3.
Also check out the Least Common Multiple of 153 and 156
(i) The GCF of 153 and 156 is associative
GCF of 153 and 156 = GCF of 156 and 153
1. What is the GCF of 153 and 156?
Answer: GCF of 153 and 156 is 3.
2. What are the Factors of 153?
Answer: Factors of 153 are 1, 3, 9, 17, 51, 153. There are 6 integers that are factors of 153. The greatest factor of 153 is 153.
3. What are the Factors of 156?
Answer: Factors of 156 are 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156. There are 12 integers that are factors of 156. The greatest factor of 156 is 156.
4. How to Find the GCF of 153 and 156?
Answer:
Greatest Common Factor of 153 and 156 = 3
Step 1: Find the prime factorization of 153
153 = 3 x 3 x 17
Step 2: Find the prime factorization of 156
156 = 2 x 2 x 3 x 13
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 3
Step 4: Therefore, the greatest common factor of 153 and 156 is 3