Least Common Multiple of 3871 and 3878

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 3871 and 3878 the smallest integer that is 2144534 that is divisible by both numbers.

Least Common Multiple (LCM) of 3871 and 3878 is 2144534.

LCM(3871,3878) = 2144534

LCM of 3871 and 3878

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

LCM of:
and

Least Common Multiple of 3871 and 3878

LCM of 3871 and 3878 is 2144534

Least common multiple can be found by multiplying the highest exponent prime factors of 3871 and 3878. First we will calculate the prime factors of 3871 and 3878.

Prime Factorization of 3871


7 3871
7 553
79 79
1

Prime factors of 3871 are 7,79. Prime factorization of 3871 in exponential form is:

3871 = 72×791

Prime Factorization of 3878


2 3878
7 1939
277 277
1

Prime factors of 3878 are 2, 7,277. Prime factorization of 3878 in exponential form is:

3878 = 21×71×2771

Now multiplying the highest exponent prime factors to calculate the LCM of 3871 and 3878.

LCM(3871,3878) = 21×72×791×2771
LCM(3871,3878) = 2144534

Factors of 3871

List of positive integer factors of 3871 that divides 3871 without a remainder.

1, 7, 49, 79, 553, 3871

Factors of 3878

List of positive integer factors of 3878 that divides 3878 without a remainder.

1, 2, 7, 14, 277, 554, 1939, 3878

Least Common Multiple of 3871 and 3878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3871 and 3878, than apply into the LCM equation.

GCF(3871,3878) = 7
LCM(3871,3878) = ( 3871 × 3878) / 7
LCM(3871,3878) = 15011738 / 7
LCM(3871,3878) = 2144534

Properties of LCM 3871 and 3878

(i) The LCM of 3878 and 3871 is associative

LCM of 3871 and 3878 = LCM of 3878 and 3871

Frequently Asked Questions on LCM of 3871 and 3878

1. What is the LCM of 3871 and 3878?

Answer: LCM of 3871 and 3878 is 2144534.

2. What are the Factors of 3871?

Answer: Factors of 3871 are 1, 7, 49, 79, 553, 3871. There are 6 integers that are factors of 3871. The greatest factor of 3871 is 3871.

3. What are the Factors of 3878?

Answer: Factors of 3878 are 1, 2, 7, 14, 277, 554, 1939, 3878. There are 8 integers that are factors of 3878. The greatest factor of 3878 is 3878.

4. How to Find the LCM of 3871 and 3878?

Answer:

Least Common Multiple of 3871 and 3878 = 2144534

Step 1: Find the prime factorization of 3871

3871 = 7 x 7 x 79

Step 2: Find the prime factorization of 3878

3878 = 2 x 7 x 277

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

LCM = 2144534 = 2 x 7 x 7 x 79 x 277

Step 4: Therefore, the least common multiple of 3871 and 3878 is 2144534.