Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8616 and 8620 the smallest integer that is 18567480 that is divisible by both numbers.
Least Common Multiple (LCM) of 8616 and 8620 is 18567480.
LCM(8616,8620) = 18567480
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 8616 and 8620. First we will calculate the prime factors of 8616 and 8620.
Prime Factorization of 8616
2 | 8616 |
2 | 4308 |
2 | 2154 |
3 | 1077 |
359 | 359 |
1 |
Prime factors of 8616 are 2, 3,359. Prime factorization of 8616 in exponential form is:
8616 = 23×31×3591
Prime Factorization of 8620
2 | 8620 |
2 | 4310 |
5 | 2155 |
431 | 431 |
1 |
Prime factors of 8620 are 2, 5,431. Prime factorization of 8620 in exponential form is:
8620 = 22×51×4311
Now multiplying the highest exponent prime factors to calculate the LCM of 8616 and 8620.
LCM(8616,8620) = 23×31×51×3591×4311
LCM(8616,8620) = 18567480
Factors of 8616
List of positive integer factors of 8616 that divides 8616 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 359, 718, 1077, 1436, 2154, 2872, 4308, 8616
Factors of 8620
List of positive integer factors of 8620 that divides 8620 without a remainder.
1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8616 and 8620, than apply into the LCM equation.
GCF(8616,8620) = 4
LCM(8616,8620) = ( 8616 × 8620) / 4
LCM(8616,8620) = 74269920 / 4
LCM(8616,8620) = 18567480
(i) The LCM of 8620 and 8616 is associative
LCM of 8616 and 8620 = LCM of 8620 and 8616
1. What is the LCM of 8616 and 8620?
Answer: LCM of 8616 and 8620 is 18567480.
2. What are the Factors of 8616?
Answer: Factors of 8616 are 1, 2, 3, 4, 6, 8, 12, 24, 359, 718, 1077, 1436, 2154, 2872, 4308, 8616. There are 16 integers that are factors of 8616. The greatest factor of 8616 is 8616.
3. What are the Factors of 8620?
Answer: Factors of 8620 are 1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620. There are 12 integers that are factors of 8620. The greatest factor of 8620 is 8620.
4. How to Find the LCM of 8616 and 8620?
Answer:
Least Common Multiple of 8616 and 8620 = 18567480
Step 1: Find the prime factorization of 8616
8616 = 2 x 2 x 2 x 3 x 359
Step 2: Find the prime factorization of 8620
8620 = 2 x 2 x 5 x 431
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18567480 = 2 x 2 x 2 x 3 x 5 x 359 x 431
Step 4: Therefore, the least common multiple of 8616 and 8620 is 18567480.