Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8613 and 8620 the smallest integer that is 74244060 that is divisible by both numbers.
Least Common Multiple (LCM) of 8613 and 8620 is 74244060.
LCM(8613,8620) = 74244060
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 8613 and 8620. First we will calculate the prime factors of 8613 and 8620.
Prime Factorization of 8613
3 | 8613 |
3 | 2871 |
3 | 957 |
11 | 319 |
29 | 29 |
1 |
Prime factors of 8613 are 3, 11,29. Prime factorization of 8613 in exponential form is:
8613 = 33×111×291
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 8613 and 8620.
LCM(8613,8620) = 22×33×51×111×291×4311
LCM(8613,8620) = 74244060
Factors of 8613
List of positive integer factors of 8613 that divides 8613 without a remainder.
1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2871, 8613
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 8613 and 8620, than apply into the LCM equation.
GCF(8613,8620) = 1
LCM(8613,8620) = ( 8613 × 8620) / 1
LCM(8613,8620) = 74244060 / 1
LCM(8613,8620) = 74244060
(i) The LCM of 8620 and 8613 is associative
LCM of 8613 and 8620 = LCM of 8620 and 8613
1. What is the LCM of 8613 and 8620?
Answer: LCM of 8613 and 8620 is 74244060.
2. What are the Factors of 8613?
Answer: Factors of 8613 are 1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2871, 8613. There are 16 integers that are factors of 8613. The greatest factor of 8613 is 8613.
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 8613 and 8620?
Answer:
Least Common Multiple of 8613 and 8620 = 74244060
Step 1: Find the prime factorization of 8613
8613 = 3 x 3 x 3 x 11 x 29
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 = 74244060 = 2 x 2 x 3 x 3 x 3 x 5 x 11 x 29 x 431
Step 4: Therefore, the least common multiple of 8613 and 8620 is 74244060.