Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2538 and 2539 the smallest integer that is 6443982 that is divisible by both numbers.
Least Common Multiple (LCM) of 2538 and 2539 is 6443982.
LCM(2538,2539) = 6443982
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 2538 and 2539. First we will calculate the prime factors of 2538 and 2539.
Prime Factorization of 2538
2 | 2538 |
3 | 1269 |
3 | 423 |
3 | 141 |
47 | 47 |
1 |
Prime factors of 2538 are 2, 3,47. Prime factorization of 2538 in exponential form is:
2538 = 21×33×471
Prime Factorization of 2539
2539 | 2539 |
1 |
Prime factors of 2539 are 2539. Prime factorization of 2539 in exponential form is:
2539 = 25391
Now multiplying the highest exponent prime factors to calculate the LCM of 2538 and 2539.
LCM(2538,2539) = 21×33×471×25391
LCM(2538,2539) = 6443982
Factors of 2538
List of positive integer factors of 2538 that divides 2538 without a remainder.
1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538
Factors of 2539
List of positive integer factors of 2539 that divides 2539 without a remainder.
1, 2539
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2538 and 2539, than apply into the LCM equation.
GCF(2538,2539) = 1
LCM(2538,2539) = ( 2538 × 2539) / 1
LCM(2538,2539) = 6443982 / 1
LCM(2538,2539) = 6443982
(i) The LCM of 2539 and 2538 is associative
LCM of 2538 and 2539 = LCM of 2539 and 2538
1. What is the LCM of 2538 and 2539?
Answer: LCM of 2538 and 2539 is 6443982.
2. What are the Factors of 2538?
Answer: Factors of 2538 are 1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538. There are 16 integers that are factors of 2538. The greatest factor of 2538 is 2538.
3. What are the Factors of 2539?
Answer: Factors of 2539 are 1, 2539. There are 2 integers that are factors of 2539. The greatest factor of 2539 is 2539.
4. How to Find the LCM of 2538 and 2539?
Answer:
Least Common Multiple of 2538 and 2539 = 6443982
Step 1: Find the prime factorization of 2538
2538 = 2 x 3 x 3 x 3 x 47
Step 2: Find the prime factorization of 2539
2539 = 2539
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6443982 = 2 x 3 x 3 x 3 x 47 x 2539
Step 4: Therefore, the least common multiple of 2538 and 2539 is 6443982.