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 166, 171 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 166 and 171 is 1.
GCF(166,171) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 166
2 | 166 |
83 | 83 |
1 |
Prime factors of 166 are 2,83. Prime factorization of 166 in exponential form is:
166 = 21×831
Prime Factorization of 171
3 | 171 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 171 are 3,19. Prime factorization of 171 in exponential form is:
171 = 32×191
∴ So by taking common prime factors GCF of 166 and 171 is 1
Factors of 166
List of positive integer factors of 166 that divides 166 without a remainder.
1,2,83,166
Factors of 171
List of positive integer factors of 171 that divides 171 without a remainder.
1,3,9,19,57,171
Greatest Common Factor
We found the factors and prime factorization of 166 and 171. The biggest common factor number is the GCF number.
So the greatest common factor 166 and 171 is 1.
Also check out the Least Common Multiple of 166 and 171
(i) The GCF of 166 and 171 is associative
GCF of 166 and 171 = GCF of 171 and 166
1. What is the GCF of 166 and 171?
Answer: GCF of 166 and 171 is 1.
2. What are the Factors of 166?
Answer: Factors of 166 are 1, 2, 83, 166. There are 4 integers that are factors of 166. The greatest factor of 166 is 166.
3. What are the Factors of 171?
Answer: Factors of 171 are 1, 3, 9, 19, 57, 171. There are 6 integers that are factors of 171. The greatest factor of 171 is 171.
4. How to Find the GCF of 166 and 171?
Answer:
Greatest Common Factor of 166 and 171 = 1
Step 1: Find the prime factorization of 166
166 = 2 x 83
Step 2: Find the prime factorization of 171
171 = 3 x 3 x 19
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 166 and 171 is 1