Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7384 and 7389 the smallest integer that is 54560376 that is divisible by both numbers.
Least Common Multiple (LCM) of 7384 and 7389 is 54560376.
LCM(7384,7389) = 54560376
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 7384 and 7389. First we will calculate the prime factors of 7384 and 7389.
Prime Factorization of 7384
2 | 7384 |
2 | 3692 |
2 | 1846 |
13 | 923 |
71 | 71 |
1 |
Prime factors of 7384 are 2, 13,71. Prime factorization of 7384 in exponential form is:
7384 = 23×131×711
Prime Factorization of 7389
3 | 7389 |
3 | 2463 |
821 | 821 |
1 |
Prime factors of 7389 are 3,821. Prime factorization of 7389 in exponential form is:
7389 = 32×8211
Now multiplying the highest exponent prime factors to calculate the LCM of 7384 and 7389.
LCM(7384,7389) = 23×32×131×711×8211
LCM(7384,7389) = 54560376
Factors of 7384
List of positive integer factors of 7384 that divides 7384 without a remainder.
1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384
Factors of 7389
List of positive integer factors of 7389 that divides 7389 without a remainder.
1, 3, 9, 821, 2463, 7389
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7384 and 7389, than apply into the LCM equation.
GCF(7384,7389) = 1
LCM(7384,7389) = ( 7384 × 7389) / 1
LCM(7384,7389) = 54560376 / 1
LCM(7384,7389) = 54560376
(i) The LCM of 7389 and 7384 is associative
LCM of 7384 and 7389 = LCM of 7389 and 7384
1. What is the LCM of 7384 and 7389?
Answer: LCM of 7384 and 7389 is 54560376.
2. What are the Factors of 7384?
Answer: Factors of 7384 are 1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 568, 923, 1846, 3692, 7384. There are 16 integers that are factors of 7384. The greatest factor of 7384 is 7384.
3. What are the Factors of 7389?
Answer: Factors of 7389 are 1, 3, 9, 821, 2463, 7389. There are 6 integers that are factors of 7389. The greatest factor of 7389 is 7389.
4. How to Find the LCM of 7384 and 7389?
Answer:
Least Common Multiple of 7384 and 7389 = 54560376
Step 1: Find the prime factorization of 7384
7384 = 2 x 2 x 2 x 13 x 71
Step 2: Find the prime factorization of 7389
7389 = 3 x 3 x 821
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 54560376 = 2 x 2 x 2 x 3 x 3 x 13 x 71 x 821
Step 4: Therefore, the least common multiple of 7384 and 7389 is 54560376.