Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 102 and 108 the smallest integer that is 1836 that is divisible by both numbers.
Least Common Multiple (LCM) of 102 and 108 is 1836.
LCM(102,108) = 1836
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 102 and 108. First we will calculate the prime factors of 102 and 108.
Prime Factorization of 102
2 | 102 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 102 are 2, 3,17. Prime factorization of 102 in exponential form is:
102 = 21×31×171
Prime Factorization of 108
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 108 are 2,3. Prime factorization of 108 in exponential form is:
108 = 22×33
Now multiplying the highest exponent prime factors to calculate the LCM of 102 and 108.
LCM(102,108) = 22×33×171
LCM(102,108) = 1836
Factors of 102
List of positive integer factors of 102 that divides 102 without a remainder.
1, 2, 3, 6, 17, 34, 51, 102
Factors of 108
List of positive integer factors of 108 that divides 108 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 102 and 108, than apply into the LCM equation.
GCF(102,108) = 6
LCM(102,108) = ( 102 × 108) / 6
LCM(102,108) = 11016 / 6
LCM(102,108) = 1836
(i) The LCM of 108 and 102 is associative
LCM of 102 and 108 = LCM of 108 and 102
1. What is the LCM of 102 and 108?
Answer: LCM of 102 and 108 is 1836.
2. What are the Factors of 102?
Answer: Factors of 102 are 1, 2, 3, 6, 17, 34, 51, 102. There are 8 integers that are factors of 102. The greatest factor of 102 is 102.
3. What are the Factors of 108?
Answer: Factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108. There are 12 integers that are factors of 108. The greatest factor of 108 is 108.
4. How to Find the LCM of 102 and 108?
Answer:
Least Common Multiple of 102 and 108 = 1836
Step 1: Find the prime factorization of 102
102 = 2 x 3 x 17
Step 2: Find the prime factorization of 108
108 = 2 x 2 x 3 x 3 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1836 = 2 x 2 x 3 x 3 x 3 x 17
Step 4: Therefore, the least common multiple of 102 and 108 is 1836.