Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8745 and 8747 the smallest integer that is 76492515 that is divisible by both numbers.
Least Common Multiple (LCM) of 8745 and 8747 is 76492515.
LCM(8745,8747) = 76492515
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 8745 and 8747. First we will calculate the prime factors of 8745 and 8747.
Prime Factorization of 8745
3 | 8745 |
5 | 2915 |
11 | 583 |
53 | 53 |
1 |
Prime factors of 8745 are 3, 5, 11,53. Prime factorization of 8745 in exponential form is:
8745 = 31×51×111×531
Prime Factorization of 8747
8747 | 8747 |
1 |
Prime factors of 8747 are 8747. Prime factorization of 8747 in exponential form is:
8747 = 87471
Now multiplying the highest exponent prime factors to calculate the LCM of 8745 and 8747.
LCM(8745,8747) = 31×51×111×531×87471
LCM(8745,8747) = 76492515
Factors of 8745
List of positive integer factors of 8745 that divides 8745 without a remainder.
1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2915, 8745
Factors of 8747
List of positive integer factors of 8747 that divides 8747 without a remainder.
1, 8747
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8745 and 8747, than apply into the LCM equation.
GCF(8745,8747) = 1
LCM(8745,8747) = ( 8745 × 8747) / 1
LCM(8745,8747) = 76492515 / 1
LCM(8745,8747) = 76492515
(i) The LCM of 8747 and 8745 is associative
LCM of 8745 and 8747 = LCM of 8747 and 8745
1. What is the LCM of 8745 and 8747?
Answer: LCM of 8745 and 8747 is 76492515.
2. What are the Factors of 8745?
Answer: Factors of 8745 are 1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2915, 8745. There are 16 integers that are factors of 8745. The greatest factor of 8745 is 8745.
3. What are the Factors of 8747?
Answer: Factors of 8747 are 1, 8747. There are 2 integers that are factors of 8747. The greatest factor of 8747 is 8747.
4. How to Find the LCM of 8745 and 8747?
Answer:
Least Common Multiple of 8745 and 8747 = 76492515
Step 1: Find the prime factorization of 8745
8745 = 3 x 5 x 11 x 53
Step 2: Find the prime factorization of 8747
8747 = 8747
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 76492515 = 3 x 5 x 11 x 53 x 8747
Step 4: Therefore, the least common multiple of 8745 and 8747 is 76492515.