Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8716 and 8720 the smallest integer that is 19000880 that is divisible by both numbers.
Least Common Multiple (LCM) of 8716 and 8720 is 19000880.
LCM(8716,8720) = 19000880
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 8716 and 8720. First we will calculate the prime factors of 8716 and 8720.
Prime Factorization of 8716
2 | 8716 |
2 | 4358 |
2179 | 2179 |
1 |
Prime factors of 8716 are 2,2179. Prime factorization of 8716 in exponential form is:
8716 = 22×21791
Prime Factorization of 8720
2 | 8720 |
2 | 4360 |
2 | 2180 |
2 | 1090 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 8720 are 2, 5,109. Prime factorization of 8720 in exponential form is:
8720 = 24×51×1091
Now multiplying the highest exponent prime factors to calculate the LCM of 8716 and 8720.
LCM(8716,8720) = 24×51×1091×21791
LCM(8716,8720) = 19000880
Factors of 8716
List of positive integer factors of 8716 that divides 8716 without a remainder.
1, 2, 4, 2179, 4358, 8716
Factors of 8720
List of positive integer factors of 8720 that divides 8720 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8716 and 8720, than apply into the LCM equation.
GCF(8716,8720) = 4
LCM(8716,8720) = ( 8716 × 8720) / 4
LCM(8716,8720) = 76003520 / 4
LCM(8716,8720) = 19000880
(i) The LCM of 8720 and 8716 is associative
LCM of 8716 and 8720 = LCM of 8720 and 8716
1. What is the LCM of 8716 and 8720?
Answer: LCM of 8716 and 8720 is 19000880.
2. What are the Factors of 8716?
Answer: Factors of 8716 are 1, 2, 4, 2179, 4358, 8716. There are 6 integers that are factors of 8716. The greatest factor of 8716 is 8716.
3. What are the Factors of 8720?
Answer: Factors of 8720 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720. There are 20 integers that are factors of 8720. The greatest factor of 8720 is 8720.
4. How to Find the LCM of 8716 and 8720?
Answer:
Least Common Multiple of 8716 and 8720 = 19000880
Step 1: Find the prime factorization of 8716
8716 = 2 x 2 x 2179
Step 2: Find the prime factorization of 8720
8720 = 2 x 2 x 2 x 2 x 5 x 109
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19000880 = 2 x 2 x 2 x 2 x 5 x 109 x 2179
Step 4: Therefore, the least common multiple of 8716 and 8720 is 19000880.