Least Common Multiple of 1516 and 1520

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 1520 the smallest integer that is 576080 that is divisible by both numbers.

Least Common Multiple (LCM) of 1516 and 1520 is 576080.

LCM(1516,1520) = 576080

LCM of 1516 and 1520

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 1516 and 1520

LCM of 1516 and 1520 is 576080

Least common multiple can be found by multiplying the highest exponent prime factors of 1516 and 1520. First we will calculate the prime factors of 1516 and 1520.

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 1520


2 1520
2 760
2 380
2 190
5 95
19 19
1

Prime factors of 1520 are 2, 5,19. Prime factorization of 1520 in exponential form is:

1520 = 24×51×191

Now multiplying the highest exponent prime factors to calculate the LCM of 1516 and 1520.

LCM(1516,1520) = 24×51×191×3791
LCM(1516,1520) = 576080

Factors of 1516

List of positive integer factors of 1516 that divides 1516 without a remainder.

1, 2, 4, 379, 758, 1516

Factors of 1520

List of positive integer factors of 1520 that divides 1520 without a remainder.

1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520

Least Common Multiple of 1516 and 1520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1516 and 1520, than apply into the LCM equation.

GCF(1516,1520) = 4
LCM(1516,1520) = ( 1516 × 1520) / 4
LCM(1516,1520) = 2304320 / 4
LCM(1516,1520) = 576080

Properties of LCM 1516 and 1520

(i) The LCM of 1520 and 1516 is associative

LCM of 1516 and 1520 = LCM of 1520 and 1516

Related Least Common Multiples of 1516

Related Least Common Multiples of 1520

Frequently Asked Questions on LCM of 1516 and 1520

1. What is the LCM of 1516 and 1520?

Answer: LCM of 1516 and 1520 is 576080.

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 1520?

Answer: Factors of 1520 are 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520. There are 20 integers that are factors of 1520. The greatest factor of 1520 is 1520.

4. How to Find the LCM of 1516 and 1520?

Answer:

Least Common Multiple of 1516 and 1520 = 576080

Step 1: Find the prime factorization of 1516

1516 = 2 x 2 x 379

Step 2: Find the prime factorization of 1520

1520 = 2 x 2 x 2 x 2 x 5 x 19

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 576080 = 2 x 2 x 2 x 2 x 5 x 19 x 379

Step 4: Therefore, the least common multiple of 1516 and 1520 is 576080.