Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1516 and 1518 the smallest integer that is 1150644 that is divisible by both numbers.
Least Common Multiple (LCM) of 1516 and 1518 is 1150644.
LCM(1516,1518) = 1150644
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 1516 and 1518. First we will calculate the prime factors of 1516 and 1518.
Prime Factorization of 1516
2 | 1516 |
2 | 758 |
379 | 379 |
1 |
Prime factors of 1516 are 2,379. Prime factorization of 1516 in exponential form is:
1516 = 22×3791
Prime Factorization of 1518
2 | 1518 |
3 | 759 |
11 | 253 |
23 | 23 |
1 |
Prime factors of 1518 are 2, 3, 11,23. Prime factorization of 1518 in exponential form is:
1518 = 21×31×111×231
Now multiplying the highest exponent prime factors to calculate the LCM of 1516 and 1518.
LCM(1516,1518) = 22×31×111×231×3791
LCM(1516,1518) = 1150644
Factors of 1516
List of positive integer factors of 1516 that divides 1516 without a remainder.
1, 2, 4, 379, 758, 1516
Factors of 1518
List of positive integer factors of 1518 that divides 1518 without a remainder.
1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1516 and 1518, than apply into the LCM equation.
GCF(1516,1518) = 2
LCM(1516,1518) = ( 1516 × 1518) / 2
LCM(1516,1518) = 2301288 / 2
LCM(1516,1518) = 1150644
(i) The LCM of 1518 and 1516 is associative
LCM of 1516 and 1518 = LCM of 1518 and 1516
1. What is the LCM of 1516 and 1518?
Answer: LCM of 1516 and 1518 is 1150644.
2. What are the Factors of 1516?
Answer: Factors of 1516 are 1, 2, 4, 379, 758, 1516. There are 6 integers that are factors of 1516. The greatest factor of 1516 is 1516.
3. What are the Factors of 1518?
Answer: Factors of 1518 are 1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518. There are 16 integers that are factors of 1518. The greatest factor of 1518 is 1518.
4. How to Find the LCM of 1516 and 1518?
Answer:
Least Common Multiple of 1516 and 1518 = 1150644
Step 1: Find the prime factorization of 1516
1516 = 2 x 2 x 379
Step 2: Find the prime factorization of 1518
1518 = 2 x 3 x 11 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1150644 = 2 x 2 x 3 x 11 x 23 x 379
Step 4: Therefore, the least common multiple of 1516 and 1518 is 1150644.