Least Common Multiple of 381 and 386

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 381 and 386 the smallest integer that is 147066 that is divisible by both numbers.

Least Common Multiple (LCM) of 381 and 386 is 147066.

LCM(381,386) = 147066

LCM of 381 and 386

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

LCM of:
and

Least Common Multiple of 381 and 386

LCM of 381 and 386 is 147066

Least common multiple can be found by multiplying the highest exponent prime factors of 381 and 386. First we will calculate the prime factors of 381 and 386.

Prime Factorization of 381


3 381
127 127
1

Prime factors of 381 are 3,127. Prime factorization of 381 in exponential form is:

381 = 31×1271

Prime Factorization of 386


2 386
193 193
1

Prime factors of 386 are 2,193. Prime factorization of 386 in exponential form is:

386 = 21×1931

Now multiplying the highest exponent prime factors to calculate the LCM of 381 and 386.

LCM(381,386) = 21×31×1271×1931
LCM(381,386) = 147066

Factors of 381

List of positive integer factors of 381 that divides 381 without a remainder.

1, 3, 127, 381

Factors of 386

List of positive integer factors of 386 that divides 386 without a remainder.

1, 2, 193, 386

Least Common Multiple of 381 and 386 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 381 and 386, than apply into the LCM equation.

GCF(381,386) = 1
LCM(381,386) = ( 381 × 386) / 1
LCM(381,386) = 147066 / 1
LCM(381,386) = 147066

Properties of LCM 381 and 386

(i) The LCM of 386 and 381 is associative

LCM of 381 and 386 = LCM of 386 and 381

Frequently Asked Questions on LCM of 381 and 386

1. What is the LCM of 381 and 386?

Answer: LCM of 381 and 386 is 147066.

2. What are the Factors of 381?

Answer: Factors of 381 are 1, 3, 127, 381. There are 4 integers that are factors of 381. The greatest factor of 381 is 381.

3. What are the Factors of 386?

Answer: Factors of 386 are 1, 2, 193, 386. There are 4 integers that are factors of 386. The greatest factor of 386 is 386.

4. How to Find the LCM of 381 and 386?

Answer:

Least Common Multiple of 381 and 386 = 147066

Step 1: Find the prime factorization of 381

381 = 3 x 127

Step 2: Find the prime factorization of 386

386 = 2 x 193

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

LCM = 147066 = 2 x 3 x 127 x 193

Step 4: Therefore, the least common multiple of 381 and 386 is 147066.