Least Common Multiple of 815 and 818

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 815 and 818 the smallest integer that is 666670 that is divisible by both numbers.

Least Common Multiple (LCM) of 815 and 818 is 666670.

LCM(815,818) = 666670

LCM of 815 and 818

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

LCM of:
and

Least Common Multiple of 815 and 818

LCM of 815 and 818 is 666670

Least common multiple can be found by multiplying the highest exponent prime factors of 815 and 818. First we will calculate the prime factors of 815 and 818.

Prime Factorization of 815


5 815
163 163
1

Prime factors of 815 are 5,163. Prime factorization of 815 in exponential form is:

815 = 51×1631

Prime Factorization of 818


2 818
409 409
1

Prime factors of 818 are 2,409. Prime factorization of 818 in exponential form is:

818 = 21×4091

Now multiplying the highest exponent prime factors to calculate the LCM of 815 and 818.

LCM(815,818) = 21×51×1631×4091
LCM(815,818) = 666670

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1, 5, 163, 815

Factors of 818

List of positive integer factors of 818 that divides 818 without a remainder.

1, 2, 409, 818

Least Common Multiple of 815 and 818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 815 and 818, than apply into the LCM equation.

GCF(815,818) = 1
LCM(815,818) = ( 815 × 818) / 1
LCM(815,818) = 666670 / 1
LCM(815,818) = 666670

Properties of LCM 815 and 818

(i) The LCM of 818 and 815 is associative

LCM of 815 and 818 = LCM of 818 and 815

Frequently Asked Questions on LCM of 815 and 818

1. What is the LCM of 815 and 818?

Answer: LCM of 815 and 818 is 666670.

2. What are the Factors of 815?

Answer: Factors of 815 are 1, 5, 163, 815. There are 4 integers that are factors of 815. The greatest factor of 815 is 815.

3. What are the Factors of 818?

Answer: Factors of 818 are 1, 2, 409, 818. There are 4 integers that are factors of 818. The greatest factor of 818 is 818.

4. How to Find the LCM of 815 and 818?

Answer:

Least Common Multiple of 815 and 818 = 666670

Step 1: Find the prime factorization of 815

815 = 5 x 163

Step 2: Find the prime factorization of 818

818 = 2 x 409

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

LCM = 666670 = 2 x 5 x 163 x 409

Step 4: Therefore, the least common multiple of 815 and 818 is 666670.