Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7542 and 7549 the smallest integer that is 56934558 that is divisible by both numbers.
Least Common Multiple (LCM) of 7542 and 7549 is 56934558.
LCM(7542,7549) = 56934558
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 7542 and 7549. First we will calculate the prime factors of 7542 and 7549.
Prime Factorization of 7542
2 | 7542 |
3 | 3771 |
3 | 1257 |
419 | 419 |
1 |
Prime factors of 7542 are 2, 3,419. Prime factorization of 7542 in exponential form is:
7542 = 21×32×4191
Prime Factorization of 7549
7549 | 7549 |
1 |
Prime factors of 7549 are 7549. Prime factorization of 7549 in exponential form is:
7549 = 75491
Now multiplying the highest exponent prime factors to calculate the LCM of 7542 and 7549.
LCM(7542,7549) = 21×32×4191×75491
LCM(7542,7549) = 56934558
Factors of 7542
List of positive integer factors of 7542 that divides 7542 without a remainder.
1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 3771, 7542
Factors of 7549
List of positive integer factors of 7549 that divides 7549 without a remainder.
1, 7549
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7542 and 7549, than apply into the LCM equation.
GCF(7542,7549) = 1
LCM(7542,7549) = ( 7542 × 7549) / 1
LCM(7542,7549) = 56934558 / 1
LCM(7542,7549) = 56934558
(i) The LCM of 7549 and 7542 is associative
LCM of 7542 and 7549 = LCM of 7549 and 7542
1. What is the LCM of 7542 and 7549?
Answer: LCM of 7542 and 7549 is 56934558.
2. What are the Factors of 7542?
Answer: Factors of 7542 are 1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 3771, 7542. There are 12 integers that are factors of 7542. The greatest factor of 7542 is 7542.
3. What are the Factors of 7549?
Answer: Factors of 7549 are 1, 7549. There are 2 integers that are factors of 7549. The greatest factor of 7549 is 7549.
4. How to Find the LCM of 7542 and 7549?
Answer:
Least Common Multiple of 7542 and 7549 = 56934558
Step 1: Find the prime factorization of 7542
7542 = 2 x 3 x 3 x 419
Step 2: Find the prime factorization of 7549
7549 = 7549
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 56934558 = 2 x 3 x 3 x 419 x 7549
Step 4: Therefore, the least common multiple of 7542 and 7549 is 56934558.