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, 158 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 153 and 158 is 1.
GCF(153,158) = 1
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 158
2 | 158 |
79 | 79 |
1 |
Prime factors of 158 are 2,79. Prime factorization of 158 in exponential form is:
158 = 21×791
∴ So by taking common prime factors GCF of 153 and 158 is 1
Factors of 153
List of positive integer factors of 153 that divides 153 without a remainder.
1,3,9,17,51,153
Factors of 158
List of positive integer factors of 158 that divides 158 without a remainder.
1,2,79,158
Greatest Common Factor
We found the factors and prime factorization of 153 and 158. The biggest common factor number is the GCF number.
So the greatest common factor 153 and 158 is 1.
Also check out the Least Common Multiple of 153 and 158
(i) The GCF of 153 and 158 is associative
GCF of 153 and 158 = GCF of 158 and 153
1. What is the GCF of 153 and 158?
Answer: GCF of 153 and 158 is 1.
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 158?
Answer: Factors of 158 are 1, 2, 79, 158. There are 4 integers that are factors of 158. The greatest factor of 158 is 158.
4. How to Find the GCF of 153 and 158?
Answer:
Greatest Common Factor of 153 and 158 = 1
Step 1: Find the prime factorization of 153
153 = 3 x 3 x 17
Step 2: Find the prime factorization of 158
158 = 2 x 79
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 153 and 158 is 1