Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 81718 and 81723 the smallest integer that is 6678240114 that is divisible by both numbers.
Least Common Multiple (LCM) of 81718 and 81723 is 6678240114.
LCM(81718,81723) = 6678240114
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 81718 and 81723. First we will calculate the prime factors of 81718 and 81723.
Prime Factorization of 81718
2 | 81718 |
7 | 40859 |
13 | 5837 |
449 | 449 |
1 |
Prime factors of 81718 are 2, 7, 13,449. Prime factorization of 81718 in exponential form is:
81718 = 21×71×131×4491
Prime Factorization of 81723
3 | 81723 |
27241 | 27241 |
1 |
Prime factors of 81723 are 3,27241. Prime factorization of 81723 in exponential form is:
81723 = 31×272411
Now multiplying the highest exponent prime factors to calculate the LCM of 81718 and 81723.
LCM(81718,81723) = 21×31×71×131×4491×272411
LCM(81718,81723) = 6678240114
Factors of 81718
List of positive integer factors of 81718 that divides 81718 without a remainder.
1, 2, 7, 13, 14, 26, 91, 182, 449, 898, 3143, 5837, 6286, 11674, 40859, 81718
Factors of 81723
List of positive integer factors of 81723 that divides 81723 without a remainder.
1, 3, 27241, 81723
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81718 and 81723, than apply into the LCM equation.
GCF(81718,81723) = 1
LCM(81718,81723) = ( 81718 × 81723) / 1
LCM(81718,81723) = 6678240114 / 1
LCM(81718,81723) = 6678240114
(i) The LCM of 81723 and 81718 is associative
LCM of 81718 and 81723 = LCM of 81723 and 81718
1. What is the LCM of 81718 and 81723?
Answer: LCM of 81718 and 81723 is 6678240114.
2. What are the Factors of 81718?
Answer: Factors of 81718 are 1, 2, 7, 13, 14, 26, 91, 182, 449, 898, 3143, 5837, 6286, 11674, 40859, 81718. There are 16 integers that are factors of 81718. The greatest factor of 81718 is 81718.
3. What are the Factors of 81723?
Answer: Factors of 81723 are 1, 3, 27241, 81723. There are 4 integers that are factors of 81723. The greatest factor of 81723 is 81723.
4. How to Find the LCM of 81718 and 81723?
Answer:
Least Common Multiple of 81718 and 81723 = 6678240114
Step 1: Find the prime factorization of 81718
81718 = 2 x 7 x 13 x 449
Step 2: Find the prime factorization of 81723
81723 = 3 x 27241
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6678240114 = 2 x 3 x 7 x 13 x 449 x 27241
Step 4: Therefore, the least common multiple of 81718 and 81723 is 6678240114.