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 211 the smallest integer that is 43888 that is divisible by both numbers.
Least Common Multiple (LCM) of 208 and 211 is 43888.
LCM(208,211) = 43888
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 211. First we will calculate the prime factors of 208 and 211.
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 211
211 | 211 |
1 |
Prime factors of 211 are 211. Prime factorization of 211 in exponential form is:
211 = 2111
Now multiplying the highest exponent prime factors to calculate the LCM of 208 and 211.
LCM(208,211) = 24×131×2111
LCM(208,211) = 43888
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 211
List of positive integer factors of 211 that divides 211 without a remainder.
1, 211
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 208 and 211, than apply into the LCM equation.
GCF(208,211) = 1
LCM(208,211) = ( 208 × 211) / 1
LCM(208,211) = 43888 / 1
LCM(208,211) = 43888
(i) The LCM of 211 and 208 is associative
LCM of 208 and 211 = LCM of 211 and 208
1. What is the LCM of 208 and 211?
Answer: LCM of 208 and 211 is 43888.
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 211?
Answer: Factors of 211 are 1, 211. There are 2 integers that are factors of 211. The greatest factor of 211 is 211.
4. How to Find the LCM of 208 and 211?
Answer:
Least Common Multiple of 208 and 211 = 43888
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 211
211 = 211
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 43888 = 2 x 2 x 2 x 2 x 13 x 211
Step 4: Therefore, the least common multiple of 208 and 211 is 43888.