Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1524 and 1530 the smallest integer that is 388620 that is divisible by both numbers.
Least Common Multiple (LCM) of 1524 and 1530 is 388620.
LCM(1524,1530) = 388620
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 1524 and 1530. First we will calculate the prime factors of 1524 and 1530.
Prime Factorization of 1524
2 | 1524 |
2 | 762 |
3 | 381 |
127 | 127 |
1 |
Prime factors of 1524 are 2, 3,127. Prime factorization of 1524 in exponential form is:
1524 = 22×31×1271
Prime Factorization of 1530
2 | 1530 |
3 | 765 |
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 1530 are 2, 3, 5,17. Prime factorization of 1530 in exponential form is:
1530 = 21×32×51×171
Now multiplying the highest exponent prime factors to calculate the LCM of 1524 and 1530.
LCM(1524,1530) = 22×32×51×171×1271
LCM(1524,1530) = 388620
Factors of 1524
List of positive integer factors of 1524 that divides 1524 without a remainder.
1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524
Factors of 1530
List of positive integer factors of 1530 that divides 1530 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1524 and 1530, than apply into the LCM equation.
GCF(1524,1530) = 6
LCM(1524,1530) = ( 1524 × 1530) / 6
LCM(1524,1530) = 2331720 / 6
LCM(1524,1530) = 388620
(i) The LCM of 1530 and 1524 is associative
LCM of 1524 and 1530 = LCM of 1530 and 1524
1. What is the LCM of 1524 and 1530?
Answer: LCM of 1524 and 1530 is 388620.
2. What are the Factors of 1524?
Answer: Factors of 1524 are 1, 2, 3, 4, 6, 12, 127, 254, 381, 508, 762, 1524. There are 12 integers that are factors of 1524. The greatest factor of 1524 is 1524.
3. What are the Factors of 1530?
Answer: Factors of 1530 are 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530. There are 24 integers that are factors of 1530. The greatest factor of 1530 is 1530.
4. How to Find the LCM of 1524 and 1530?
Answer:
Least Common Multiple of 1524 and 1530 = 388620
Step 1: Find the prime factorization of 1524
1524 = 2 x 2 x 3 x 127
Step 2: Find the prime factorization of 1530
1530 = 2 x 3 x 3 x 5 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 388620 = 2 x 2 x 3 x 3 x 5 x 17 x 127
Step 4: Therefore, the least common multiple of 1524 and 1530 is 388620.