Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2430 and 2438 the smallest integer that is 2962170 that is divisible by both numbers.
Least Common Multiple (LCM) of 2430 and 2438 is 2962170.
LCM(2430,2438) = 2962170
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 2430 and 2438. First we will calculate the prime factors of 2430 and 2438.
Prime Factorization of 2430
2 | 2430 |
3 | 1215 |
3 | 405 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 2430 are 2, 3,5. Prime factorization of 2430 in exponential form is:
2430 = 21×35×51
Prime Factorization of 2438
2 | 2438 |
23 | 1219 |
53 | 53 |
1 |
Prime factors of 2438 are 2, 23,53. Prime factorization of 2438 in exponential form is:
2438 = 21×231×531
Now multiplying the highest exponent prime factors to calculate the LCM of 2430 and 2438.
LCM(2430,2438) = 21×35×51×231×531
LCM(2430,2438) = 2962170
Factors of 2430
List of positive integer factors of 2430 that divides 2430 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430
Factors of 2438
List of positive integer factors of 2438 that divides 2438 without a remainder.
1, 2, 23, 46, 53, 106, 1219, 2438
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2430 and 2438, than apply into the LCM equation.
GCF(2430,2438) = 2
LCM(2430,2438) = ( 2430 × 2438) / 2
LCM(2430,2438) = 5924340 / 2
LCM(2430,2438) = 2962170
(i) The LCM of 2438 and 2430 is associative
LCM of 2430 and 2438 = LCM of 2438 and 2430
1. What is the LCM of 2430 and 2438?
Answer: LCM of 2430 and 2438 is 2962170.
2. What are the Factors of 2430?
Answer: Factors of 2430 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430. There are 24 integers that are factors of 2430. The greatest factor of 2430 is 2430.
3. What are the Factors of 2438?
Answer: Factors of 2438 are 1, 2, 23, 46, 53, 106, 1219, 2438. There are 8 integers that are factors of 2438. The greatest factor of 2438 is 2438.
4. How to Find the LCM of 2430 and 2438?
Answer:
Least Common Multiple of 2430 and 2438 = 2962170
Step 1: Find the prime factorization of 2430
2430 = 2 x 3 x 3 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 2438
2438 = 2 x 23 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2962170 = 2 x 3 x 3 x 3 x 3 x 3 x 5 x 23 x 53
Step 4: Therefore, the least common multiple of 2430 and 2438 is 2962170.