Least Common Multiple of 843 and 847

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 847 the smallest integer that is 714021 that is divisible by both numbers.

Least Common Multiple (LCM) of 843 and 847 is 714021.

LCM(843,847) = 714021

LCM of 843 and 847

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

LCM of:
and

Least Common Multiple of 843 and 847

LCM of 843 and 847 is 714021

Least common multiple can be found by multiplying the highest exponent prime factors of 843 and 847. First we will calculate the prime factors of 843 and 847.

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 847


7 847
11 121
11 11
1

Prime factors of 847 are 7,11. Prime factorization of 847 in exponential form is:

847 = 71×112

Now multiplying the highest exponent prime factors to calculate the LCM of 843 and 847.

LCM(843,847) = 31×71×112×2811
LCM(843,847) = 714021

Factors of 843

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

1, 3, 281, 843

Factors of 847

List of positive integer factors of 847 that divides 847 without a remainder.

1, 7, 11, 77, 121, 847

Least Common Multiple of 843 and 847 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 847, than apply into the LCM equation.

GCF(843,847) = 1
LCM(843,847) = ( 843 × 847) / 1
LCM(843,847) = 714021 / 1
LCM(843,847) = 714021

Properties of LCM 843 and 847

(i) The LCM of 847 and 843 is associative

LCM of 843 and 847 = LCM of 847 and 843

Frequently Asked Questions on LCM of 843 and 847

1. What is the LCM of 843 and 847?

Answer: LCM of 843 and 847 is 714021.

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 847?

Answer: Factors of 847 are 1, 7, 11, 77, 121, 847. There are 6 integers that are factors of 847. The greatest factor of 847 is 847.

4. How to Find the LCM of 843 and 847?

Answer:

Least Common Multiple of 843 and 847 = 714021

Step 1: Find the prime factorization of 843

843 = 3 x 281

Step 2: Find the prime factorization of 847

847 = 7 x 11 x 11

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

LCM = 714021 = 3 x 7 x 11 x 11 x 281

Step 4: Therefore, the least common multiple of 843 and 847 is 714021.