Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 87732 and 87740 the smallest integer that is 1924401420 that is divisible by both numbers.
Least Common Multiple (LCM) of 87732 and 87740 is 1924401420.
LCM(87732,87740) = 1924401420
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 87732 and 87740. First we will calculate the prime factors of 87732 and 87740.
Prime Factorization of 87732
2 | 87732 |
2 | 43866 |
3 | 21933 |
3 | 7311 |
2437 | 2437 |
1 |
Prime factors of 87732 are 2, 3,2437. Prime factorization of 87732 in exponential form is:
87732 = 22×32×24371
Prime Factorization of 87740
2 | 87740 |
2 | 43870 |
5 | 21935 |
41 | 4387 |
107 | 107 |
1 |
Prime factors of 87740 are 2, 5, 41,107. Prime factorization of 87740 in exponential form is:
87740 = 22×51×411×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 87732 and 87740.
LCM(87732,87740) = 22×32×51×411×1071×24371
LCM(87732,87740) = 1924401420
Factors of 87732
List of positive integer factors of 87732 that divides 87732 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36, 2437, 4874, 7311, 9748, 14622, 21933, 29244, 43866, 87732
Factors of 87740
List of positive integer factors of 87740 that divides 87740 without a remainder.
1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 4387, 8774, 17548, 21935, 43870, 87740
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87732 and 87740, than apply into the LCM equation.
GCF(87732,87740) = 4
LCM(87732,87740) = ( 87732 × 87740) / 4
LCM(87732,87740) = 7697605680 / 4
LCM(87732,87740) = 1924401420
(i) The LCM of 87740 and 87732 is associative
LCM of 87732 and 87740 = LCM of 87740 and 87732
1. What is the LCM of 87732 and 87740?
Answer: LCM of 87732 and 87740 is 1924401420.
2. What are the Factors of 87732?
Answer: Factors of 87732 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 2437, 4874, 7311, 9748, 14622, 21933, 29244, 43866, 87732. There are 18 integers that are factors of 87732. The greatest factor of 87732 is 87732.
3. What are the Factors of 87740?
Answer: Factors of 87740 are 1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 4387, 8774, 17548, 21935, 43870, 87740. There are 24 integers that are factors of 87740. The greatest factor of 87740 is 87740.
4. How to Find the LCM of 87732 and 87740?
Answer:
Least Common Multiple of 87732 and 87740 = 1924401420
Step 1: Find the prime factorization of 87732
87732 = 2 x 2 x 3 x 3 x 2437
Step 2: Find the prime factorization of 87740
87740 = 2 x 2 x 5 x 41 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1924401420 = 2 x 2 x 3 x 3 x 5 x 41 x 107 x 2437
Step 4: Therefore, the least common multiple of 87732 and 87740 is 1924401420.