Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7043 and 7047 the smallest integer that is 49632021 that is divisible by both numbers.
Least Common Multiple (LCM) of 7043 and 7047 is 49632021.
LCM(7043,7047) = 49632021
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 7043 and 7047. First we will calculate the prime factors of 7043 and 7047.
Prime Factorization of 7043
7043 | 7043 |
1 |
Prime factors of 7043 are 7043. Prime factorization of 7043 in exponential form is:
7043 = 70431
Prime Factorization of 7047
3 | 7047 |
3 | 2349 |
3 | 783 |
3 | 261 |
3 | 87 |
29 | 29 |
1 |
Prime factors of 7047 are 3,29. Prime factorization of 7047 in exponential form is:
7047 = 35×291
Now multiplying the highest exponent prime factors to calculate the LCM of 7043 and 7047.
LCM(7043,7047) = 35×291×70431
LCM(7043,7047) = 49632021
Factors of 7043
List of positive integer factors of 7043 that divides 7043 without a remainder.
1, 7043
Factors of 7047
List of positive integer factors of 7047 that divides 7047 without a remainder.
1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7043 and 7047, than apply into the LCM equation.
GCF(7043,7047) = 1
LCM(7043,7047) = ( 7043 × 7047) / 1
LCM(7043,7047) = 49632021 / 1
LCM(7043,7047) = 49632021
(i) The LCM of 7047 and 7043 is associative
LCM of 7043 and 7047 = LCM of 7047 and 7043
1. What is the LCM of 7043 and 7047?
Answer: LCM of 7043 and 7047 is 49632021.
2. What are the Factors of 7043?
Answer: Factors of 7043 are 1, 7043. There are 2 integers that are factors of 7043. The greatest factor of 7043 is 7043.
3. What are the Factors of 7047?
Answer: Factors of 7047 are 1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2349, 7047. There are 12 integers that are factors of 7047. The greatest factor of 7047 is 7047.
4. How to Find the LCM of 7043 and 7047?
Answer:
Least Common Multiple of 7043 and 7047 = 49632021
Step 1: Find the prime factorization of 7043
7043 = 7043
Step 2: Find the prime factorization of 7047
7047 = 3 x 3 x 3 x 3 x 3 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 49632021 = 3 x 3 x 3 x 3 x 3 x 29 x 7043
Step 4: Therefore, the least common multiple of 7043 and 7047 is 49632021.