Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 117 and 135 the smallest integer that is 1755 that is divisible by both numbers.
Least Common Multiple (LCM) of 117 and 135 is 1755.
LCM(117,135) = 1755
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 117 and 135. First we will calculate the prime factors of 117 and 135.
Prime Factorization of 117
3 | 117 |
3 | 39 |
13 | 13 |
1 |
Prime factors of 117 are 3,13. Prime factorization of 117 in exponential form is:
117 = 32×131
Prime Factorization of 135
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 135 are 3,5. Prime factorization of 135 in exponential form is:
135 = 33×51
Now multiplying the highest exponent prime factors to calculate the LCM of 117 and 135.
LCM(117,135) = 33×51×131
LCM(117,135) = 1755
Factors of 117
List of positive integer factors of 117 that divides 117 without a remainder.
1, 3, 9, 13, 39, 117
Factors of 135
List of positive integer factors of 135 that divides 135 without a remainder.
1, 3, 5, 9, 15, 27, 45, 135
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 117 and 135, than apply into the LCM equation.
GCF(117,135) = 9
LCM(117,135) = ( 117 × 135) / 9
LCM(117,135) = 15795 / 9
LCM(117,135) = 1755
(i) The LCM of 135 and 117 is associative
LCM of 117 and 135 = LCM of 135 and 117
1. What is the LCM of 117 and 135?
Answer: LCM of 117 and 135 is 1755.
2. What are the Factors of 117?
Answer: Factors of 117 are 1, 3, 9, 13, 39, 117. There are 6 integers that are factors of 117. The greatest factor of 117 is 117.
3. What are the Factors of 135?
Answer: Factors of 135 are 1, 3, 5, 9, 15, 27, 45, 135. There are 8 integers that are factors of 135. The greatest factor of 135 is 135.
4. How to Find the LCM of 117 and 135?
Answer:
Least Common Multiple of 117 and 135 = 1755
Step 1: Find the prime factorization of 117
117 = 3 x 3 x 13
Step 2: Find the prime factorization of 135
135 = 3 x 3 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1755 = 3 x 3 x 3 x 5 x 13
Step 4: Therefore, the least common multiple of 117 and 135 is 1755.