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 182, 189 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 182 and 189 is 7.
GCF(182,189) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 182
2 | 182 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 182 are 2,7,13. Prime factorization of 182 in exponential form is:
182 = 21×71×131
Prime Factorization of 189
3 | 189 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 189 are 3,7. Prime factorization of 189 in exponential form is:
189 = 33×71
∴ So by taking common prime factors GCF of 182 and 189 is 7
Factors of 182
List of positive integer factors of 182 that divides 182 without a remainder.
1,2,7,13,14,26,91,182
Factors of 189
List of positive integer factors of 189 that divides 189 without a remainder.
1,3,7,9,21,27,63,189
Greatest Common Factor
We found the factors and prime factorization of 182 and 189. The biggest common factor number is the GCF number.
So the greatest common factor 182 and 189 is 7.
Also check out the Least Common Multiple of 182 and 189
(i) The GCF of 182 and 189 is associative
GCF of 182 and 189 = GCF of 189 and 182
1. What is the GCF of 182 and 189?
Answer: GCF of 182 and 189 is 7.
2. What are the Factors of 182?
Answer: Factors of 182 are 1, 2, 7, 13, 14, 26, 91, 182. There are 8 integers that are factors of 182. The greatest factor of 182 is 182.
3. What are the Factors of 189?
Answer: Factors of 189 are 1, 3, 7, 9, 21, 27, 63, 189. There are 8 integers that are factors of 189. The greatest factor of 189 is 189.
4. How to Find the GCF of 182 and 189?
Answer:
Greatest Common Factor of 182 and 189 = 7
Step 1: Find the prime factorization of 182
182 = 2 x 7 x 13
Step 2: Find the prime factorization of 189
189 = 3 x 3 x 3 x 7
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 182 and 189 is 7