Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 115 and 119 the smallest integer that is 13685 that is divisible by both numbers.
Least Common Multiple (LCM) of 115 and 119 is 13685.
LCM(115,119) = 13685
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 115 and 119. First we will calculate the prime factors of 115 and 119.
Prime Factorization of 115
5 | 115 |
23 | 23 |
1 |
Prime factors of 115 are 5,23. Prime factorization of 115 in exponential form is:
115 = 51×231
Prime Factorization of 119
7 | 119 |
17 | 17 |
1 |
Prime factors of 119 are 7,17. Prime factorization of 119 in exponential form is:
119 = 71×171
Now multiplying the highest exponent prime factors to calculate the LCM of 115 and 119.
LCM(115,119) = 51×71×171×231
LCM(115,119) = 13685
Factors of 115
List of positive integer factors of 115 that divides 115 without a remainder.
1, 5, 23, 115
Factors of 119
List of positive integer factors of 119 that divides 119 without a remainder.
1, 7, 17, 119
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 115 and 119, than apply into the LCM equation.
GCF(115,119) = 1
LCM(115,119) = ( 115 × 119) / 1
LCM(115,119) = 13685 / 1
LCM(115,119) = 13685
(i) The LCM of 119 and 115 is associative
LCM of 115 and 119 = LCM of 119 and 115
1. What is the LCM of 115 and 119?
Answer: LCM of 115 and 119 is 13685.
2. What are the Factors of 115?
Answer: Factors of 115 are 1, 5, 23, 115. There are 4 integers that are factors of 115. The greatest factor of 115 is 115.
3. What are the Factors of 119?
Answer: Factors of 119 are 1, 7, 17, 119. There are 4 integers that are factors of 119. The greatest factor of 119 is 119.
4. How to Find the LCM of 115 and 119?
Answer:
Least Common Multiple of 115 and 119 = 13685
Step 1: Find the prime factorization of 115
115 = 5 x 23
Step 2: Find the prime factorization of 119
119 = 7 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13685 = 5 x 7 x 17 x 23
Step 4: Therefore, the least common multiple of 115 and 119 is 13685.