Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 204 and 208 the smallest integer that is 10608 that is divisible by both numbers.
Least Common Multiple (LCM) of 204 and 208 is 10608.
LCM(204,208) = 10608
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 204 and 208. First we will calculate the prime factors of 204 and 208.
Prime Factorization of 204
2 | 204 |
2 | 102 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 204 are 2, 3,17. Prime factorization of 204 in exponential form is:
204 = 22×31×171
Prime Factorization of 208
2 | 208 |
2 | 104 |
2 | 52 |
2 | 26 |
13 | 13 |
1 |
Prime factors of 208 are 2,13. Prime factorization of 208 in exponential form is:
208 = 24×131
Now multiplying the highest exponent prime factors to calculate the LCM of 204 and 208.
LCM(204,208) = 24×31×131×171
LCM(204,208) = 10608
Factors of 204
List of positive integer factors of 204 that divides 204 without a remainder.
1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204
Factors of 208
List of positive integer factors of 208 that divides 208 without a remainder.
1, 2, 4, 8, 13, 16, 26, 52, 104, 208
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 204 and 208, than apply into the LCM equation.
GCF(204,208) = 4
LCM(204,208) = ( 204 × 208) / 4
LCM(204,208) = 42432 / 4
LCM(204,208) = 10608
(i) The LCM of 208 and 204 is associative
LCM of 204 and 208 = LCM of 208 and 204
1. What is the LCM of 204 and 208?
Answer: LCM of 204 and 208 is 10608.
2. What are the Factors of 204?
Answer: Factors of 204 are 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204. There are 12 integers that are factors of 204. The greatest factor of 204 is 204.
3. What are the Factors of 208?
Answer: Factors of 208 are 1, 2, 4, 8, 13, 16, 26, 52, 104, 208. There are 10 integers that are factors of 208. The greatest factor of 208 is 208.
4. How to Find the LCM of 204 and 208?
Answer:
Least Common Multiple of 204 and 208 = 10608
Step 1: Find the prime factorization of 204
204 = 2 x 2 x 3 x 17
Step 2: Find the prime factorization of 208
208 = 2 x 2 x 2 x 2 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 = 10608 = 2 x 2 x 2 x 2 x 3 x 13 x 17
Step 4: Therefore, the least common multiple of 204 and 208 is 10608.