Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2145 and 2150 the smallest integer that is 922350 that is divisible by both numbers.
Least Common Multiple (LCM) of 2145 and 2150 is 922350.
LCM(2145,2150) = 922350
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 2145 and 2150. First we will calculate the prime factors of 2145 and 2150.
Prime Factorization of 2145
3 | 2145 |
5 | 715 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 2145 are 3, 5, 11,13. Prime factorization of 2145 in exponential form is:
2145 = 31×51×111×131
Prime Factorization of 2150
2 | 2150 |
5 | 1075 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 2150 are 2, 5,43. Prime factorization of 2150 in exponential form is:
2150 = 21×52×431
Now multiplying the highest exponent prime factors to calculate the LCM of 2145 and 2150.
LCM(2145,2150) = 21×31×52×111×131×431
LCM(2145,2150) = 922350
Factors of 2145
List of positive integer factors of 2145 that divides 2145 without a remainder.
1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145
Factors of 2150
List of positive integer factors of 2150 that divides 2150 without a remainder.
1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2145 and 2150, than apply into the LCM equation.
GCF(2145,2150) = 5
LCM(2145,2150) = ( 2145 × 2150) / 5
LCM(2145,2150) = 4611750 / 5
LCM(2145,2150) = 922350
(i) The LCM of 2150 and 2145 is associative
LCM of 2145 and 2150 = LCM of 2150 and 2145
1. What is the LCM of 2145 and 2150?
Answer: LCM of 2145 and 2150 is 922350.
2. What are the Factors of 2145?
Answer: Factors of 2145 are 1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145. There are 16 integers that are factors of 2145. The greatest factor of 2145 is 2145.
3. What are the Factors of 2150?
Answer: Factors of 2150 are 1, 2, 5, 10, 25, 43, 50, 86, 215, 430, 1075, 2150. There are 12 integers that are factors of 2150. The greatest factor of 2150 is 2150.
4. How to Find the LCM of 2145 and 2150?
Answer:
Least Common Multiple of 2145 and 2150 = 922350
Step 1: Find the prime factorization of 2145
2145 = 3 x 5 x 11 x 13
Step 2: Find the prime factorization of 2150
2150 = 2 x 5 x 5 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 922350 = 2 x 3 x 5 x 5 x 11 x 13 x 43
Step 4: Therefore, the least common multiple of 2145 and 2150 is 922350.