Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2138 and 2143 the smallest integer that is 4581734 that is divisible by both numbers.
Least Common Multiple (LCM) of 2138 and 2143 is 4581734.
LCM(2138,2143) = 4581734
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 2138 and 2143. First we will calculate the prime factors of 2138 and 2143.
Prime Factorization of 2138
2 | 2138 |
1069 | 1069 |
1 |
Prime factors of 2138 are 2,1069. Prime factorization of 2138 in exponential form is:
2138 = 21×10691
Prime Factorization of 2143
2143 | 2143 |
1 |
Prime factors of 2143 are 2143. Prime factorization of 2143 in exponential form is:
2143 = 21431
Now multiplying the highest exponent prime factors to calculate the LCM of 2138 and 2143.
LCM(2138,2143) = 21×10691×21431
LCM(2138,2143) = 4581734
Factors of 2138
List of positive integer factors of 2138 that divides 2138 without a remainder.
1, 2, 1069, 2138
Factors of 2143
List of positive integer factors of 2143 that divides 2143 without a remainder.
1, 2143
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2138 and 2143, than apply into the LCM equation.
GCF(2138,2143) = 1
LCM(2138,2143) = ( 2138 × 2143) / 1
LCM(2138,2143) = 4581734 / 1
LCM(2138,2143) = 4581734
(i) The LCM of 2143 and 2138 is associative
LCM of 2138 and 2143 = LCM of 2143 and 2138
1. What is the LCM of 2138 and 2143?
Answer: LCM of 2138 and 2143 is 4581734.
2. What are the Factors of 2138?
Answer: Factors of 2138 are 1, 2, 1069, 2138. There are 4 integers that are factors of 2138. The greatest factor of 2138 is 2138.
3. What are the Factors of 2143?
Answer: Factors of 2143 are 1, 2143. There are 2 integers that are factors of 2143. The greatest factor of 2143 is 2143.
4. How to Find the LCM of 2138 and 2143?
Answer:
Least Common Multiple of 2138 and 2143 = 4581734
Step 1: Find the prime factorization of 2138
2138 = 2 x 1069
Step 2: Find the prime factorization of 2143
2143 = 2143
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4581734 = 2 x 1069 x 2143
Step 4: Therefore, the least common multiple of 2138 and 2143 is 4581734.