Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2180 and 2185 the smallest integer that is 952660 that is divisible by both numbers.
Least Common Multiple (LCM) of 2180 and 2185 is 952660.
LCM(2180,2185) = 952660
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 2180 and 2185. First we will calculate the prime factors of 2180 and 2185.
Prime Factorization of 2180
2 | 2180 |
2 | 1090 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 2180 are 2, 5,109. Prime factorization of 2180 in exponential form is:
2180 = 22×51×1091
Prime Factorization of 2185
5 | 2185 |
19 | 437 |
23 | 23 |
1 |
Prime factors of 2185 are 5, 19,23. Prime factorization of 2185 in exponential form is:
2185 = 51×191×231
Now multiplying the highest exponent prime factors to calculate the LCM of 2180 and 2185.
LCM(2180,2185) = 22×51×191×231×1091
LCM(2180,2185) = 952660
Factors of 2180
List of positive integer factors of 2180 that divides 2180 without a remainder.
1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180
Factors of 2185
List of positive integer factors of 2185 that divides 2185 without a remainder.
1, 5, 19, 23, 95, 115, 437, 2185
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2180 and 2185, than apply into the LCM equation.
GCF(2180,2185) = 5
LCM(2180,2185) = ( 2180 × 2185) / 5
LCM(2180,2185) = 4763300 / 5
LCM(2180,2185) = 952660
(i) The LCM of 2185 and 2180 is associative
LCM of 2180 and 2185 = LCM of 2185 and 2180
1. What is the LCM of 2180 and 2185?
Answer: LCM of 2180 and 2185 is 952660.
2. What are the Factors of 2180?
Answer: Factors of 2180 are 1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180. There are 12 integers that are factors of 2180. The greatest factor of 2180 is 2180.
3. What are the Factors of 2185?
Answer: Factors of 2185 are 1, 5, 19, 23, 95, 115, 437, 2185. There are 8 integers that are factors of 2185. The greatest factor of 2185 is 2185.
4. How to Find the LCM of 2180 and 2185?
Answer:
Least Common Multiple of 2180 and 2185 = 952660
Step 1: Find the prime factorization of 2180
2180 = 2 x 2 x 5 x 109
Step 2: Find the prime factorization of 2185
2185 = 5 x 19 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 952660 = 2 x 2 x 5 x 19 x 23 x 109
Step 4: Therefore, the least common multiple of 2180 and 2185 is 952660.