Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2542 and 2545 the smallest integer that is 6469390 that is divisible by both numbers.
Least Common Multiple (LCM) of 2542 and 2545 is 6469390.
LCM(2542,2545) = 6469390
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 2542 and 2545. First we will calculate the prime factors of 2542 and 2545.
Prime Factorization of 2542
2 | 2542 |
31 | 1271 |
41 | 41 |
1 |
Prime factors of 2542 are 2, 31,41. Prime factorization of 2542 in exponential form is:
2542 = 21×311×411
Prime Factorization of 2545
5 | 2545 |
509 | 509 |
1 |
Prime factors of 2545 are 5,509. Prime factorization of 2545 in exponential form is:
2545 = 51×5091
Now multiplying the highest exponent prime factors to calculate the LCM of 2542 and 2545.
LCM(2542,2545) = 21×51×311×411×5091
LCM(2542,2545) = 6469390
Factors of 2542
List of positive integer factors of 2542 that divides 2542 without a remainder.
1, 2, 31, 41, 62, 82, 1271, 2542
Factors of 2545
List of positive integer factors of 2545 that divides 2545 without a remainder.
1, 5, 509, 2545
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2542 and 2545, than apply into the LCM equation.
GCF(2542,2545) = 1
LCM(2542,2545) = ( 2542 × 2545) / 1
LCM(2542,2545) = 6469390 / 1
LCM(2542,2545) = 6469390
(i) The LCM of 2545 and 2542 is associative
LCM of 2542 and 2545 = LCM of 2545 and 2542
1. What is the LCM of 2542 and 2545?
Answer: LCM of 2542 and 2545 is 6469390.
2. What are the Factors of 2542?
Answer: Factors of 2542 are 1, 2, 31, 41, 62, 82, 1271, 2542. There are 8 integers that are factors of 2542. The greatest factor of 2542 is 2542.
3. What are the Factors of 2545?
Answer: Factors of 2545 are 1, 5, 509, 2545. There are 4 integers that are factors of 2545. The greatest factor of 2545 is 2545.
4. How to Find the LCM of 2542 and 2545?
Answer:
Least Common Multiple of 2542 and 2545 = 6469390
Step 1: Find the prime factorization of 2542
2542 = 2 x 31 x 41
Step 2: Find the prime factorization of 2545
2545 = 5 x 509
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6469390 = 2 x 5 x 31 x 41 x 509
Step 4: Therefore, the least common multiple of 2542 and 2545 is 6469390.