Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 206 and 209 the smallest integer that is 43054 that is divisible by both numbers.
Least Common Multiple (LCM) of 206 and 209 is 43054.
LCM(206,209) = 43054
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 206 and 209. First we will calculate the prime factors of 206 and 209.
Prime Factorization of 206
2 | 206 |
103 | 103 |
1 |
Prime factors of 206 are 2,103. Prime factorization of 206 in exponential form is:
206 = 21×1031
Prime Factorization of 209
11 | 209 |
19 | 19 |
1 |
Prime factors of 209 are 11,19. Prime factorization of 209 in exponential form is:
209 = 111×191
Now multiplying the highest exponent prime factors to calculate the LCM of 206 and 209.
LCM(206,209) = 21×111×191×1031
LCM(206,209) = 43054
Factors of 206
List of positive integer factors of 206 that divides 206 without a remainder.
1, 2, 103, 206
Factors of 209
List of positive integer factors of 209 that divides 209 without a remainder.
1, 11, 19, 209
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 206 and 209, than apply into the LCM equation.
GCF(206,209) = 1
LCM(206,209) = ( 206 × 209) / 1
LCM(206,209) = 43054 / 1
LCM(206,209) = 43054
(i) The LCM of 209 and 206 is associative
LCM of 206 and 209 = LCM of 209 and 206
1. What is the LCM of 206 and 209?
Answer: LCM of 206 and 209 is 43054.
2. What are the Factors of 206?
Answer: Factors of 206 are 1, 2, 103, 206. There are 4 integers that are factors of 206. The greatest factor of 206 is 206.
3. What are the Factors of 209?
Answer: Factors of 209 are 1, 11, 19, 209. There are 4 integers that are factors of 209. The greatest factor of 209 is 209.
4. How to Find the LCM of 206 and 209?
Answer:
Least Common Multiple of 206 and 209 = 43054
Step 1: Find the prime factorization of 206
206 = 2 x 103
Step 2: Find the prime factorization of 209
209 = 11 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 43054 = 2 x 11 x 19 x 103
Step 4: Therefore, the least common multiple of 206 and 209 is 43054.