Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 104 and 108 the smallest integer that is 2808 that is divisible by both numbers.
Least Common Multiple (LCM) of 104 and 108 is 2808.
LCM(104,108) = 2808
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 104 and 108. First we will calculate the prime factors of 104 and 108.
Prime Factorization of 104
2 | 104 |
2 | 52 |
2 | 26 |
13 | 13 |
1 |
Prime factors of 104 are 2,13. Prime factorization of 104 in exponential form is:
104 = 23×131
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 104 and 108.
LCM(104,108) = 23×33×131
LCM(104,108) = 2808
Factors of 104
List of positive integer factors of 104 that divides 104 without a remainder.
1, 2, 4, 8, 13, 26, 52, 104
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 104 and 108, than apply into the LCM equation.
GCF(104,108) = 4
LCM(104,108) = ( 104 × 108) / 4
LCM(104,108) = 11232 / 4
LCM(104,108) = 2808
(i) The LCM of 108 and 104 is associative
LCM of 104 and 108 = LCM of 108 and 104
1. What is the LCM of 104 and 108?
Answer: LCM of 104 and 108 is 2808.
2. What are the Factors of 104?
Answer: Factors of 104 are 1, 2, 4, 8, 13, 26, 52, 104. There are 8 integers that are factors of 104. The greatest factor of 104 is 104.
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 104 and 108?
Answer:
Least Common Multiple of 104 and 108 = 2808
Step 1: Find the prime factorization of 104
104 = 2 x 2 x 2 x 13
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 = 2808 = 2 x 2 x 2 x 3 x 3 x 3 x 13
Step 4: Therefore, the least common multiple of 104 and 108 is 2808.