Least Common Multiple of 315 and 318

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 315 and 318 the smallest integer that is 33390 that is divisible by both numbers.

Least Common Multiple (LCM) of 315 and 318 is 33390.

LCM(315,318) = 33390

LCM of 315 and 318

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

LCM of:
and

Least Common Multiple of 315 and 318

LCM of 315 and 318 is 33390

Least common multiple can be found by multiplying the highest exponent prime factors of 315 and 318. First we will calculate the prime factors of 315 and 318.

Prime Factorization of 315


3 315
3 105
5 35
7 7
1

Prime factors of 315 are 3, 5,7. Prime factorization of 315 in exponential form is:

315 = 32×51×71

Prime Factorization of 318


2 318
3 159
53 53
1

Prime factors of 318 are 2, 3,53. Prime factorization of 318 in exponential form is:

318 = 21×31×531

Now multiplying the highest exponent prime factors to calculate the LCM of 315 and 318.

LCM(315,318) = 21×32×51×71×531
LCM(315,318) = 33390

Factors of 315

List of positive integer factors of 315 that divides 315 without a remainder.

1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315

Factors of 318

List of positive integer factors of 318 that divides 318 without a remainder.

1, 2, 3, 6, 53, 106, 159, 318

Least Common Multiple of 315 and 318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 315 and 318, than apply into the LCM equation.

GCF(315,318) = 3
LCM(315,318) = ( 315 × 318) / 3
LCM(315,318) = 100170 / 3
LCM(315,318) = 33390

Properties of LCM 315 and 318

(i) The LCM of 318 and 315 is associative

LCM of 315 and 318 = LCM of 318 and 315

Frequently Asked Questions on LCM of 315 and 318

1. What is the LCM of 315 and 318?

Answer: LCM of 315 and 318 is 33390.

2. What are the Factors of 315?

Answer: Factors of 315 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315. There are 12 integers that are factors of 315. The greatest factor of 315 is 315.

3. What are the Factors of 318?

Answer: Factors of 318 are 1, 2, 3, 6, 53, 106, 159, 318. There are 8 integers that are factors of 318. The greatest factor of 318 is 318.

4. How to Find the LCM of 315 and 318?

Answer:

Least Common Multiple of 315 and 318 = 33390

Step 1: Find the prime factorization of 315

315 = 3 x 3 x 5 x 7

Step 2: Find the prime factorization of 318

318 = 2 x 3 x 53

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

LCM = 33390 = 2 x 3 x 3 x 5 x 7 x 53

Step 4: Therefore, the least common multiple of 315 and 318 is 33390.