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 161, 166 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 161 and 166 is 1.
GCF(161,166) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 161
7 | 161 |
23 | 23 |
1 |
Prime factors of 161 are 7,23. Prime factorization of 161 in exponential form is:
161 = 71×231
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
∴ So by taking common prime factors GCF of 161 and 166 is 1
Factors of 161
List of positive integer factors of 161 that divides 161 without a remainder.
1,7,23,161
Factors of 166
List of positive integer factors of 166 that divides 166 without a remainder.
1,2,83,166
Greatest Common Factor
We found the factors and prime factorization of 161 and 166. The biggest common factor number is the GCF number.
So the greatest common factor 161 and 166 is 1.
Also check out the Least Common Multiple of 161 and 166
(i) The GCF of 161 and 166 is associative
GCF of 161 and 166 = GCF of 166 and 161
1. What is the GCF of 161 and 166?
Answer: GCF of 161 and 166 is 1.
2. What are the Factors of 161?
Answer: Factors of 161 are 1, 7, 23, 161. There are 4 integers that are factors of 161. The greatest factor of 161 is 161.
3. 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.
4. How to Find the GCF of 161 and 166?
Answer:
Greatest Common Factor of 161 and 166 = 1
Step 1: Find the prime factorization of 161
161 = 7 x 23
Step 2: Find the prime factorization of 166
166 = 2 x 83
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 161 and 166 is 1