Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 165 and 169 the smallest integer that is 27885 that is divisible by both numbers.
Least Common Multiple (LCM) of 165 and 169 is 27885.
LCM(165,169) = 27885
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 165 and 169. First we will calculate the prime factors of 165 and 169.
Prime Factorization of 165
3 | 165 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 165 are 3, 5,11. Prime factorization of 165 in exponential form is:
165 = 31×51×111
Prime Factorization of 169
13 | 169 |
13 | 13 |
1 |
Prime factors of 169 are 13. Prime factorization of 169 in exponential form is:
169 = 132
Now multiplying the highest exponent prime factors to calculate the LCM of 165 and 169.
LCM(165,169) = 31×51×111×132
LCM(165,169) = 27885
Factors of 165
List of positive integer factors of 165 that divides 165 without a remainder.
1, 3, 5, 11, 15, 33, 55, 165
Factors of 169
List of positive integer factors of 169 that divides 169 without a remainder.
1, 13, 169
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 165 and 169, than apply into the LCM equation.
GCF(165,169) = 1
LCM(165,169) = ( 165 × 169) / 1
LCM(165,169) = 27885 / 1
LCM(165,169) = 27885
(i) The LCM of 169 and 165 is associative
LCM of 165 and 169 = LCM of 169 and 165
1. What is the LCM of 165 and 169?
Answer: LCM of 165 and 169 is 27885.
2. What are the Factors of 165?
Answer: Factors of 165 are 1, 3, 5, 11, 15, 33, 55, 165. There are 8 integers that are factors of 165. The greatest factor of 165 is 165.
3. What are the Factors of 169?
Answer: Factors of 169 are 1, 13, 169. There are 3 integers that are factors of 169. The greatest factor of 169 is 169.
4. How to Find the LCM of 165 and 169?
Answer:
Least Common Multiple of 165 and 169 = 27885
Step 1: Find the prime factorization of 165
165 = 3 x 5 x 11
Step 2: Find the prime factorization of 169
169 = 13 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 27885 = 3 x 5 x 11 x 13 x 13
Step 4: Therefore, the least common multiple of 165 and 169 is 27885.