Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 200 and 205 the smallest integer that is 8200 that is divisible by both numbers.
Least Common Multiple (LCM) of 200 and 205 is 8200.
LCM(200,205) = 8200
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 200 and 205. First we will calculate the prime factors of 200 and 205.
Prime Factorization of 200
2 | 200 |
2 | 100 |
2 | 50 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 200 are 2,5. Prime factorization of 200 in exponential form is:
200 = 23×52
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 200 and 205.
LCM(200,205) = 23×52×411
LCM(200,205) = 8200
Factors of 200
List of positive integer factors of 200 that divides 200 without a remainder.
1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200
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 200 and 205, than apply into the LCM equation.
GCF(200,205) = 5
LCM(200,205) = ( 200 × 205) / 5
LCM(200,205) = 41000 / 5
LCM(200,205) = 8200
(i) The LCM of 205 and 200 is associative
LCM of 200 and 205 = LCM of 205 and 200
1. What is the LCM of 200 and 205?
Answer: LCM of 200 and 205 is 8200.
2. What are the Factors of 200?
Answer: Factors of 200 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200. There are 12 integers that are factors of 200. The greatest factor of 200 is 200.
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 200 and 205?
Answer:
Least Common Multiple of 200 and 205 = 8200
Step 1: Find the prime factorization of 200
200 = 2 x 2 x 2 x 5 x 5
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 = 8200 = 2 x 2 x 2 x 5 x 5 x 41
Step 4: Therefore, the least common multiple of 200 and 205 is 8200.