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 157, 162 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 157 and 162 is 1.
GCF(157,162) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 157
157 | 157 |
1 |
Prime factors of 157 are 157. Prime factorization of 157 in exponential form is:
157 = 1571
Prime Factorization of 162
2 | 162 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 162 are 2.Prime factorization of 162 in exponential form is:
162 = 21×34
∴ So by taking common prime factors GCF of 157 and 162 is 1
Factors of 157
List of positive integer factors of 157 that divides 157 without a remainder.
1,157
Factors of 162
List of positive integer factors of 162 that divides 162 without a remainder.
1,2,3,6,9,18,27,54,81,162
Greatest Common Factor
We found the factors and prime factorization of 157 and 162. The biggest common factor number is the GCF number.
So the greatest common factor 157 and 162 is 1.
Also check out the Least Common Multiple of 157 and 162
(i) The GCF of 157 and 162 is associative
GCF of 157 and 162 = GCF of 162 and 157
1. What is the GCF of 157 and 162?
Answer: GCF of 157 and 162 is 1.
2. What are the Factors of 157?
Answer: Factors of 157 are 1, 157. There are 2 integers that are factors of 157. The greatest factor of 157 is 157.
3. What are the Factors of 162?
Answer: Factors of 162 are 1, 2, 3, 6, 9, 18, 27, 54, 81, 162. There are 10 integers that are factors of 162. The greatest factor of 162 is 162.
4. How to Find the GCF of 157 and 162?
Answer:
Greatest Common Factor of 157 and 162 = 1
Step 1: Find the prime factorization of 157
157 = 157
Step 2: Find the prime factorization of 162
162 = 2 x 3 x 3 x 3 x 3
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 157 and 162 is 1