Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 43040 and 43043 the smallest integer that is 1852570720 that is divisible by both numbers.
Least Common Multiple (LCM) of 43040 and 43043 is 1852570720.
LCM(43040,43043) = 1852570720
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 43040 and 43043. First we will calculate the prime factors of 43040 and 43043.
Prime Factorization of 43040
2 | 43040 |
2 | 21520 |
2 | 10760 |
2 | 5380 |
2 | 2690 |
5 | 1345 |
269 | 269 |
1 |
Prime factors of 43040 are 2, 5,269. Prime factorization of 43040 in exponential form is:
43040 = 25×51×2691
Prime Factorization of 43043
7 | 43043 |
11 | 6149 |
13 | 559 |
43 | 43 |
1 |
Prime factors of 43043 are 7, 11, 13,43. Prime factorization of 43043 in exponential form is:
43043 = 71×111×131×431
Now multiplying the highest exponent prime factors to calculate the LCM of 43040 and 43043.
LCM(43040,43043) = 25×51×71×111×131×431×2691
LCM(43040,43043) = 1852570720
Factors of 43040
List of positive integer factors of 43040 that divides 43040 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520, 43040
Factors of 43043
List of positive integer factors of 43043 that divides 43043 without a remainder.
1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43040 and 43043, than apply into the LCM equation.
GCF(43040,43043) = 1
LCM(43040,43043) = ( 43040 × 43043) / 1
LCM(43040,43043) = 1852570720 / 1
LCM(43040,43043) = 1852570720
(i) The LCM of 43043 and 43040 is associative
LCM of 43040 and 43043 = LCM of 43043 and 43040
1. What is the LCM of 43040 and 43043?
Answer: LCM of 43040 and 43043 is 1852570720.
2. What are the Factors of 43040?
Answer: Factors of 43040 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 8608, 10760, 21520, 43040. There are 24 integers that are factors of 43040. The greatest factor of 43040 is 43040.
3. What are the Factors of 43043?
Answer: Factors of 43043 are 1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 1001, 3311, 3913, 6149, 43043. There are 16 integers that are factors of 43043. The greatest factor of 43043 is 43043.
4. How to Find the LCM of 43040 and 43043?
Answer:
Least Common Multiple of 43040 and 43043 = 1852570720
Step 1: Find the prime factorization of 43040
43040 = 2 x 2 x 2 x 2 x 2 x 5 x 269
Step 2: Find the prime factorization of 43043
43043 = 7 x 11 x 13 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 = 1852570720 = 2 x 2 x 2 x 2 x 2 x 5 x 7 x 11 x 13 x 43 x 269
Step 4: Therefore, the least common multiple of 43040 and 43043 is 1852570720.