Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 81746 and 81754 the smallest integer that is 3341531242 that is divisible by both numbers.
Least Common Multiple (LCM) of 81746 and 81754 is 3341531242.
LCM(81746,81754) = 3341531242
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 81746 and 81754. First we will calculate the prime factors of 81746 and 81754.
Prime Factorization of 81746
2 | 81746 |
7 | 40873 |
5839 | 5839 |
1 |
Prime factors of 81746 are 2, 7,5839. Prime factorization of 81746 in exponential form is:
81746 = 21×71×58391
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
Now multiplying the highest exponent prime factors to calculate the LCM of 81746 and 81754.
LCM(81746,81754) = 21×71×411×9971×58391
LCM(81746,81754) = 3341531242
Factors of 81746
List of positive integer factors of 81746 that divides 81746 without a remainder.
1, 2, 7, 14, 5839, 11678, 40873, 81746
Factors of 81754
List of positive integer factors of 81754 that divides 81754 without a remainder.
1, 2, 41, 82, 997, 1994, 40877, 81754
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81746 and 81754, than apply into the LCM equation.
GCF(81746,81754) = 2
LCM(81746,81754) = ( 81746 × 81754) / 2
LCM(81746,81754) = 6683062484 / 2
LCM(81746,81754) = 3341531242
(i) The LCM of 81754 and 81746 is associative
LCM of 81746 and 81754 = LCM of 81754 and 81746
1. What is the LCM of 81746 and 81754?
Answer: LCM of 81746 and 81754 is 3341531242.
2. What are the Factors of 81746?
Answer: Factors of 81746 are 1, 2, 7, 14, 5839, 11678, 40873, 81746. There are 8 integers that are factors of 81746. The greatest factor of 81746 is 81746.
3. 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.
4. How to Find the LCM of 81746 and 81754?
Answer:
Least Common Multiple of 81746 and 81754 = 3341531242
Step 1: Find the prime factorization of 81746
81746 = 2 x 7 x 5839
Step 2: Find the prime factorization of 81754
81754 = 2 x 41 x 997
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3341531242 = 2 x 7 x 41 x 997 x 5839
Step 4: Therefore, the least common multiple of 81746 and 81754 is 3341531242.