Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 84340 and 84345 the smallest integer that is 1422731460 that is divisible by both numbers.
Least Common Multiple (LCM) of 84340 and 84345 is 1422731460.
LCM(84340,84345) = 1422731460
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 84340 and 84345. First we will calculate the prime factors of 84340 and 84345.
Prime Factorization of 84340
2 | 84340 |
2 | 42170 |
5 | 21085 |
4217 | 4217 |
1 |
Prime factors of 84340 are 2, 5,4217. Prime factorization of 84340 in exponential form is:
84340 = 22×51×42171
Prime Factorization of 84345
3 | 84345 |
5 | 28115 |
5623 | 5623 |
1 |
Prime factors of 84345 are 3, 5,5623. Prime factorization of 84345 in exponential form is:
84345 = 31×51×56231
Now multiplying the highest exponent prime factors to calculate the LCM of 84340 and 84345.
LCM(84340,84345) = 22×31×51×42171×56231
LCM(84340,84345) = 1422731460
Factors of 84340
List of positive integer factors of 84340 that divides 84340 without a remainder.
1, 2, 4, 5, 10, 20, 4217, 8434, 16868, 21085, 42170, 84340
Factors of 84345
List of positive integer factors of 84345 that divides 84345 without a remainder.
1, 3, 5, 15, 5623, 16869, 28115, 84345
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84340 and 84345, than apply into the LCM equation.
GCF(84340,84345) = 5
LCM(84340,84345) = ( 84340 × 84345) / 5
LCM(84340,84345) = 7113657300 / 5
LCM(84340,84345) = 1422731460
(i) The LCM of 84345 and 84340 is associative
LCM of 84340 and 84345 = LCM of 84345 and 84340
1. What is the LCM of 84340 and 84345?
Answer: LCM of 84340 and 84345 is 1422731460.
2. What are the Factors of 84340?
Answer: Factors of 84340 are 1, 2, 4, 5, 10, 20, 4217, 8434, 16868, 21085, 42170, 84340. There are 12 integers that are factors of 84340. The greatest factor of 84340 is 84340.
3. What are the Factors of 84345?
Answer: Factors of 84345 are 1, 3, 5, 15, 5623, 16869, 28115, 84345. There are 8 integers that are factors of 84345. The greatest factor of 84345 is 84345.
4. How to Find the LCM of 84340 and 84345?
Answer:
Least Common Multiple of 84340 and 84345 = 1422731460
Step 1: Find the prime factorization of 84340
84340 = 2 x 2 x 5 x 4217
Step 2: Find the prime factorization of 84345
84345 = 3 x 5 x 5623
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1422731460 = 2 x 2 x 3 x 5 x 4217 x 5623
Step 4: Therefore, the least common multiple of 84340 and 84345 is 1422731460.