Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 81754 and 81761 the smallest integer that is 6684288794 that is divisible by both numbers.
Least Common Multiple (LCM) of 81754 and 81761 is 6684288794.
LCM(81754,81761) = 6684288794
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 81754 and 81761. First we will calculate the prime factors of 81754 and 81761.
Prime Factorization of 81754
2 | 81754 |
41 | 40877 |
997 | 997 |
1 |
Prime factors of 81754 are 2, 41,997. Prime factorization of 81754 in exponential form is:
81754 = 21×411×9971
Prime Factorization of 81761
81761 | 81761 |
1 |
Prime factors of 81761 are 81761. Prime factorization of 81761 in exponential form is:
81761 = 817611
Now multiplying the highest exponent prime factors to calculate the LCM of 81754 and 81761.
LCM(81754,81761) = 21×411×9971×817611
LCM(81754,81761) = 6684288794
Factors of 81754
List of positive integer factors of 81754 that divides 81754 without a remainder.
1, 2, 41, 82, 997, 1994, 40877, 81754
Factors of 81761
List of positive integer factors of 81761 that divides 81761 without a remainder.
1, 81761
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81754 and 81761, than apply into the LCM equation.
GCF(81754,81761) = 1
LCM(81754,81761) = ( 81754 × 81761) / 1
LCM(81754,81761) = 6684288794 / 1
LCM(81754,81761) = 6684288794
(i) The LCM of 81761 and 81754 is associative
LCM of 81754 and 81761 = LCM of 81761 and 81754
1. What is the LCM of 81754 and 81761?
Answer: LCM of 81754 and 81761 is 6684288794.
2. What are the Factors of 81754?
Answer: Factors of 81754 are 1, 2, 41, 82, 997, 1994, 40877, 81754. There are 8 integers that are factors of 81754. The greatest factor of 81754 is 81754.
3. What are the Factors of 81761?
Answer: Factors of 81761 are 1, 81761. There are 2 integers that are factors of 81761. The greatest factor of 81761 is 81761.
4. How to Find the LCM of 81754 and 81761?
Answer:
Least Common Multiple of 81754 and 81761 = 6684288794
Step 1: Find the prime factorization of 81754
81754 = 2 x 41 x 997
Step 2: Find the prime factorization of 81761
81761 = 81761
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6684288794 = 2 x 41 x 997 x 81761
Step 4: Therefore, the least common multiple of 81754 and 81761 is 6684288794.