Least Common Multiple of 1515 and 1518

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1515 and 1518 the smallest integer that is 766590 that is divisible by both numbers.

Least Common Multiple (LCM) of 1515 and 1518 is 766590.

LCM(1515,1518) = 766590

LCM of 1515 and 1518

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

LCM of:
and

Least Common Multiple of 1515 and 1518

LCM of 1515 and 1518 is 766590

Least common multiple can be found by multiplying the highest exponent prime factors of 1515 and 1518. First we will calculate the prime factors of 1515 and 1518.

Prime Factorization of 1515


3 1515
5 505
101 101
1

Prime factors of 1515 are 3, 5,101. Prime factorization of 1515 in exponential form is:

1515 = 31×51×1011

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 1515 and 1518.

LCM(1515,1518) = 21×31×51×111×231×1011
LCM(1515,1518) = 766590

Factors of 1515

List of positive integer factors of 1515 that divides 1515 without a remainder.

1, 3, 5, 15, 101, 303, 505, 1515

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

Least Common Multiple of 1515 and 1518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1515 and 1518, than apply into the LCM equation.

GCF(1515,1518) = 3
LCM(1515,1518) = ( 1515 × 1518) / 3
LCM(1515,1518) = 2299770 / 3
LCM(1515,1518) = 766590

Properties of LCM 1515 and 1518

(i) The LCM of 1518 and 1515 is associative

LCM of 1515 and 1518 = LCM of 1518 and 1515

Frequently Asked Questions on LCM of 1515 and 1518

1. What is the LCM of 1515 and 1518?

Answer: LCM of 1515 and 1518 is 766590.

2. What are the Factors of 1515?

Answer: Factors of 1515 are 1, 3, 5, 15, 101, 303, 505, 1515. There are 8 integers that are factors of 1515. The greatest factor of 1515 is 1515.

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 1515 and 1518?

Answer:

Least Common Multiple of 1515 and 1518 = 766590

Step 1: Find the prime factorization of 1515

1515 = 3 x 5 x 101

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 = 766590 = 2 x 3 x 5 x 11 x 23 x 101

Step 4: Therefore, the least common multiple of 1515 and 1518 is 766590.