Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 203 and 205 the smallest integer that is 41615 that is divisible by both numbers.
Least Common Multiple (LCM) of 203 and 205 is 41615.
LCM(203,205) = 41615
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 203 and 205. First we will calculate the prime factors of 203 and 205.
Prime Factorization of 203
7 | 203 |
29 | 29 |
1 |
Prime factors of 203 are 7,29. Prime factorization of 203 in exponential form is:
203 = 71×291
Prime Factorization of 205
5 | 205 |
41 | 41 |
1 |
Prime factors of 205 are 5,41. Prime factorization of 205 in exponential form is:
205 = 51×411
Now multiplying the highest exponent prime factors to calculate the LCM of 203 and 205.
LCM(203,205) = 51×71×291×411
LCM(203,205) = 41615
Factors of 203
List of positive integer factors of 203 that divides 203 without a remainder.
1, 7, 29, 203
Factors of 205
List of positive integer factors of 205 that divides 205 without a remainder.
1, 5, 41, 205
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 203 and 205, than apply into the LCM equation.
GCF(203,205) = 1
LCM(203,205) = ( 203 × 205) / 1
LCM(203,205) = 41615 / 1
LCM(203,205) = 41615
(i) The LCM of 205 and 203 is associative
LCM of 203 and 205 = LCM of 205 and 203
1. What is the LCM of 203 and 205?
Answer: LCM of 203 and 205 is 41615.
2. What are the Factors of 203?
Answer: Factors of 203 are 1, 7, 29, 203. There are 4 integers that are factors of 203. The greatest factor of 203 is 203.
3. What are the Factors of 205?
Answer: Factors of 205 are 1, 5, 41, 205. There are 4 integers that are factors of 205. The greatest factor of 205 is 205.
4. How to Find the LCM of 203 and 205?
Answer:
Least Common Multiple of 203 and 205 = 41615
Step 1: Find the prime factorization of 203
203 = 7 x 29
Step 2: Find the prime factorization of 205
205 = 5 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 41615 = 5 x 7 x 29 x 41
Step 4: Therefore, the least common multiple of 203 and 205 is 41615.