Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8487 and 8489 the smallest integer that is 72046143 that is divisible by both numbers.
Least Common Multiple (LCM) of 8487 and 8489 is 72046143.
LCM(8487,8489) = 72046143
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 8487 and 8489. First we will calculate the prime factors of 8487 and 8489.
Prime Factorization of 8487
3 | 8487 |
3 | 2829 |
23 | 943 |
41 | 41 |
1 |
Prime factors of 8487 are 3, 23,41. Prime factorization of 8487 in exponential form is:
8487 = 32×231×411
Prime Factorization of 8489
13 | 8489 |
653 | 653 |
1 |
Prime factors of 8489 are 13,653. Prime factorization of 8489 in exponential form is:
8489 = 131×6531
Now multiplying the highest exponent prime factors to calculate the LCM of 8487 and 8489.
LCM(8487,8489) = 32×131×231×411×6531
LCM(8487,8489) = 72046143
Factors of 8487
List of positive integer factors of 8487 that divides 8487 without a remainder.
1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 8487
Factors of 8489
List of positive integer factors of 8489 that divides 8489 without a remainder.
1, 13, 653, 8489
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8487 and 8489, than apply into the LCM equation.
GCF(8487,8489) = 1
LCM(8487,8489) = ( 8487 × 8489) / 1
LCM(8487,8489) = 72046143 / 1
LCM(8487,8489) = 72046143
(i) The LCM of 8489 and 8487 is associative
LCM of 8487 and 8489 = LCM of 8489 and 8487
1. What is the LCM of 8487 and 8489?
Answer: LCM of 8487 and 8489 is 72046143.
2. What are the Factors of 8487?
Answer: Factors of 8487 are 1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 8487. There are 12 integers that are factors of 8487. The greatest factor of 8487 is 8487.
3. What are the Factors of 8489?
Answer: Factors of 8489 are 1, 13, 653, 8489. There are 4 integers that are factors of 8489. The greatest factor of 8489 is 8489.
4. How to Find the LCM of 8487 and 8489?
Answer:
Least Common Multiple of 8487 and 8489 = 72046143
Step 1: Find the prime factorization of 8487
8487 = 3 x 3 x 23 x 41
Step 2: Find the prime factorization of 8489
8489 = 13 x 653
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 72046143 = 3 x 3 x 13 x 23 x 41 x 653
Step 4: Therefore, the least common multiple of 8487 and 8489 is 72046143.