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 170, 177 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 170 and 177 is 1.
GCF(170,177) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 170
2 | 170 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 170 are 2,5,17. Prime factorization of 170 in exponential form is:
170 = 21×51×171
Prime Factorization of 177
3 | 177 |
59 | 59 |
1 |
Prime factors of 177 are 3,59. Prime factorization of 177 in exponential form is:
177 = 31×591
∴ So by taking common prime factors GCF of 170 and 177 is 1
Factors of 170
List of positive integer factors of 170 that divides 170 without a remainder.
1,2,5,10,17,34,85,170
Factors of 177
List of positive integer factors of 177 that divides 177 without a remainder.
1,3,59,177
Greatest Common Factor
We found the factors and prime factorization of 170 and 177. The biggest common factor number is the GCF number.
So the greatest common factor 170 and 177 is 1.
Also check out the Least Common Multiple of 170 and 177
(i) The GCF of 170 and 177 is associative
GCF of 170 and 177 = GCF of 177 and 170
1. What is the GCF of 170 and 177?
Answer: GCF of 170 and 177 is 1.
2. What are the Factors of 170?
Answer: Factors of 170 are 1, 2, 5, 10, 17, 34, 85, 170. There are 8 integers that are factors of 170. The greatest factor of 170 is 170.
3. What are the Factors of 177?
Answer: Factors of 177 are 1, 3, 59, 177. There are 4 integers that are factors of 177. The greatest factor of 177 is 177.
4. How to Find the GCF of 170 and 177?
Answer:
Greatest Common Factor of 170 and 177 = 1
Step 1: Find the prime factorization of 170
170 = 2 x 5 x 17
Step 2: Find the prime factorization of 177
177 = 3 x 59
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 170 and 177 is 1