Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 208 and 216 the smallest integer that is 5616 that is divisible by both numbers.
Least Common Multiple (LCM) of 208 and 216 is 5616.
LCM(208,216) = 5616
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 208 and 216. First we will calculate the prime factors of 208 and 216.
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
Prime Factorization of 216
2 | 216 |
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 216 are 2,3. Prime factorization of 216 in exponential form is:
216 = 23×33
Now multiplying the highest exponent prime factors to calculate the LCM of 208 and 216.
LCM(208,216) = 24×33×131
LCM(208,216) = 5616
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
Factors of 216
List of positive integer factors of 216 that divides 216 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 208 and 216, than apply into the LCM equation.
GCF(208,216) = 8
LCM(208,216) = ( 208 × 216) / 8
LCM(208,216) = 44928 / 8
LCM(208,216) = 5616
(i) The LCM of 216 and 208 is associative
LCM of 208 and 216 = LCM of 216 and 208
1. What is the LCM of 208 and 216?
Answer: LCM of 208 and 216 is 5616.
2. 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.
3. What are the Factors of 216?
Answer: Factors of 216 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216. There are 16 integers that are factors of 216. The greatest factor of 216 is 216.
4. How to Find the LCM of 208 and 216?
Answer:
Least Common Multiple of 208 and 216 = 5616
Step 1: Find the prime factorization of 208
208 = 2 x 2 x 2 x 2 x 13
Step 2: Find the prime factorization of 216
216 = 2 x 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 = 5616 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 13
Step 4: Therefore, the least common multiple of 208 and 216 is 5616.