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 1519 the smallest integer that is 2302804 that is divisible by both numbers.
Least Common Multiple (LCM) of 1516 and 1519 is 2302804.
LCM(1516,1519) = 2302804
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 1519. First we will calculate the prime factors of 1516 and 1519.
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 1519
7 | 1519 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 1519 are 7,31. Prime factorization of 1519 in exponential form is:
1519 = 72×311
Now multiplying the highest exponent prime factors to calculate the LCM of 1516 and 1519.
LCM(1516,1519) = 22×72×311×3791
LCM(1516,1519) = 2302804
Factors of 1516
List of positive integer factors of 1516 that divides 1516 without a remainder.
1, 2, 4, 379, 758, 1516
Factors of 1519
List of positive integer factors of 1519 that divides 1519 without a remainder.
1, 7, 31, 49, 217, 1519
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1516 and 1519, than apply into the LCM equation.
GCF(1516,1519) = 1
LCM(1516,1519) = ( 1516 × 1519) / 1
LCM(1516,1519) = 2302804 / 1
LCM(1516,1519) = 2302804
(i) The LCM of 1519 and 1516 is associative
LCM of 1516 and 1519 = LCM of 1519 and 1516
1. What is the LCM of 1516 and 1519?
Answer: LCM of 1516 and 1519 is 2302804.
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 1519?
Answer: Factors of 1519 are 1, 7, 31, 49, 217, 1519. There are 6 integers that are factors of 1519. The greatest factor of 1519 is 1519.
4. How to Find the LCM of 1516 and 1519?
Answer:
Least Common Multiple of 1516 and 1519 = 2302804
Step 1: Find the prime factorization of 1516
1516 = 2 x 2 x 379
Step 2: Find the prime factorization of 1519
1519 = 7 x 7 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2302804 = 2 x 2 x 7 x 7 x 31 x 379
Step 4: Therefore, the least common multiple of 1516 and 1519 is 2302804.