Least Common Multiple of 843 and 845

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 843 and 845 the smallest integer that is 712335 that is divisible by both numbers.

Least Common Multiple (LCM) of 843 and 845 is 712335.

LCM(843,845) = 712335

LCM of 843 and 845

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

LCM of:
and

Least Common Multiple of 843 and 845

LCM of 843 and 845 is 712335

Least common multiple can be found by multiplying the highest exponent prime factors of 843 and 845. First we will calculate the prime factors of 843 and 845.

Prime Factorization of 843


3 843
281 281
1

Prime factors of 843 are 3,281. Prime factorization of 843 in exponential form is:

843 = 31×2811

Prime Factorization of 845


5 845
13 169
13 13
1

Prime factors of 845 are 5,13. Prime factorization of 845 in exponential form is:

845 = 51×132

Now multiplying the highest exponent prime factors to calculate the LCM of 843 and 845.

LCM(843,845) = 31×51×132×2811
LCM(843,845) = 712335

Factors of 843

List of positive integer factors of 843 that divides 843 without a remainder.

1, 3, 281, 843

Factors of 845

List of positive integer factors of 845 that divides 845 without a remainder.

1, 5, 13, 65, 169, 845

Least Common Multiple of 843 and 845 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 843 and 845, than apply into the LCM equation.

GCF(843,845) = 1
LCM(843,845) = ( 843 × 845) / 1
LCM(843,845) = 712335 / 1
LCM(843,845) = 712335

Properties of LCM 843 and 845

(i) The LCM of 845 and 843 is associative

LCM of 843 and 845 = LCM of 845 and 843

Frequently Asked Questions on LCM of 843 and 845

1. What is the LCM of 843 and 845?

Answer: LCM of 843 and 845 is 712335.

2. What are the Factors of 843?

Answer: Factors of 843 are 1, 3, 281, 843. There are 4 integers that are factors of 843. The greatest factor of 843 is 843.

3. What are the Factors of 845?

Answer: Factors of 845 are 1, 5, 13, 65, 169, 845. There are 6 integers that are factors of 845. The greatest factor of 845 is 845.

4. How to Find the LCM of 843 and 845?

Answer:

Least Common Multiple of 843 and 845 = 712335

Step 1: Find the prime factorization of 843

843 = 3 x 281

Step 2: Find the prime factorization of 845

845 = 5 x 13 x 13

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

LCM = 712335 = 3 x 5 x 13 x 13 x 281

Step 4: Therefore, the least common multiple of 843 and 845 is 712335.