Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2043 and 2047 the smallest integer that is 4182021 that is divisible by both numbers.
Least Common Multiple (LCM) of 2043 and 2047 is 4182021.
LCM(2043,2047) = 4182021
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 2043 and 2047. First we will calculate the prime factors of 2043 and 2047.
Prime Factorization of 2043
3 | 2043 |
3 | 681 |
227 | 227 |
1 |
Prime factors of 2043 are 3,227. Prime factorization of 2043 in exponential form is:
2043 = 32×2271
Prime Factorization of 2047
23 | 2047 |
89 | 89 |
1 |
Prime factors of 2047 are 23,89. Prime factorization of 2047 in exponential form is:
2047 = 231×891
Now multiplying the highest exponent prime factors to calculate the LCM of 2043 and 2047.
LCM(2043,2047) = 32×231×891×2271
LCM(2043,2047) = 4182021
Factors of 2043
List of positive integer factors of 2043 that divides 2043 without a remainder.
1, 3, 9, 227, 681, 2043
Factors of 2047
List of positive integer factors of 2047 that divides 2047 without a remainder.
1, 23, 89, 2047
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2043 and 2047, than apply into the LCM equation.
GCF(2043,2047) = 1
LCM(2043,2047) = ( 2043 × 2047) / 1
LCM(2043,2047) = 4182021 / 1
LCM(2043,2047) = 4182021
(i) The LCM of 2047 and 2043 is associative
LCM of 2043 and 2047 = LCM of 2047 and 2043
1. What is the LCM of 2043 and 2047?
Answer: LCM of 2043 and 2047 is 4182021.
2. What are the Factors of 2043?
Answer: Factors of 2043 are 1, 3, 9, 227, 681, 2043. There are 6 integers that are factors of 2043. The greatest factor of 2043 is 2043.
3. What are the Factors of 2047?
Answer: Factors of 2047 are 1, 23, 89, 2047. There are 4 integers that are factors of 2047. The greatest factor of 2047 is 2047.
4. How to Find the LCM of 2043 and 2047?
Answer:
Least Common Multiple of 2043 and 2047 = 4182021
Step 1: Find the prime factorization of 2043
2043 = 3 x 3 x 227
Step 2: Find the prime factorization of 2047
2047 = 23 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4182021 = 3 x 3 x 23 x 89 x 227
Step 4: Therefore, the least common multiple of 2043 and 2047 is 4182021.