Least Common Multiple of 869 and 871

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 869 and 871 the smallest integer that is 756899 that is divisible by both numbers.

Least Common Multiple (LCM) of 869 and 871 is 756899.

LCM(869,871) = 756899

LCM of 869 and 871

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

LCM of:
and

Least Common Multiple of 869 and 871

LCM of 869 and 871 is 756899

Least common multiple can be found by multiplying the highest exponent prime factors of 869 and 871. First we will calculate the prime factors of 869 and 871.

Prime Factorization of 869


11 869
79 79
1

Prime factors of 869 are 11,79. Prime factorization of 869 in exponential form is:

869 = 111×791

Prime Factorization of 871


13 871
67 67
1

Prime factors of 871 are 13,67. Prime factorization of 871 in exponential form is:

871 = 131×671

Now multiplying the highest exponent prime factors to calculate the LCM of 869 and 871.

LCM(869,871) = 111×131×671×791
LCM(869,871) = 756899

Factors of 869

List of positive integer factors of 869 that divides 869 without a remainder.

1, 11, 79, 869

Factors of 871

List of positive integer factors of 871 that divides 871 without a remainder.

1, 13, 67, 871

Least Common Multiple of 869 and 871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 869 and 871, than apply into the LCM equation.

GCF(869,871) = 1
LCM(869,871) = ( 869 × 871) / 1
LCM(869,871) = 756899 / 1
LCM(869,871) = 756899

Properties of LCM 869 and 871

(i) The LCM of 871 and 869 is associative

LCM of 869 and 871 = LCM of 871 and 869

Frequently Asked Questions on LCM of 869 and 871

1. What is the LCM of 869 and 871?

Answer: LCM of 869 and 871 is 756899.

2. What are the Factors of 869?

Answer: Factors of 869 are 1, 11, 79, 869. There are 4 integers that are factors of 869. The greatest factor of 869 is 869.

3. What are the Factors of 871?

Answer: Factors of 871 are 1, 13, 67, 871. There are 4 integers that are factors of 871. The greatest factor of 871 is 871.

4. How to Find the LCM of 869 and 871?

Answer:

Least Common Multiple of 869 and 871 = 756899

Step 1: Find the prime factorization of 869

869 = 11 x 79

Step 2: Find the prime factorization of 871

871 = 13 x 67

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

LCM = 756899 = 11 x 13 x 67 x 79

Step 4: Therefore, the least common multiple of 869 and 871 is 756899.