Least Common Multiple of 388 and 389

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 388 and 389 the smallest integer that is 150932 that is divisible by both numbers.

Least Common Multiple (LCM) of 388 and 389 is 150932.

LCM(388,389) = 150932

LCM of 388 and 389

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

LCM of:
and

Least Common Multiple of 388 and 389

LCM of 388 and 389 is 150932

Least common multiple can be found by multiplying the highest exponent prime factors of 388 and 389. First we will calculate the prime factors of 388 and 389.

Prime Factorization of 388


2 388
2 194
97 97
1

Prime factors of 388 are 2,97. Prime factorization of 388 in exponential form is:

388 = 22×971

Prime Factorization of 389


389 389
1

Prime factors of 389 are 389. Prime factorization of 389 in exponential form is:

389 = 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 388 and 389.

LCM(388,389) = 22×971×3891
LCM(388,389) = 150932

Factors of 388

List of positive integer factors of 388 that divides 388 without a remainder.

1, 2, 4, 97, 194, 388

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1, 389

Least Common Multiple of 388 and 389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 388 and 389, than apply into the LCM equation.

GCF(388,389) = 1
LCM(388,389) = ( 388 × 389) / 1
LCM(388,389) = 150932 / 1
LCM(388,389) = 150932

Properties of LCM 388 and 389

(i) The LCM of 389 and 388 is associative

LCM of 388 and 389 = LCM of 389 and 388

Frequently Asked Questions on LCM of 388 and 389

1. What is the LCM of 388 and 389?

Answer: LCM of 388 and 389 is 150932.

2. What are the Factors of 388?

Answer: Factors of 388 are 1, 2, 4, 97, 194, 388. There are 6 integers that are factors of 388. The greatest factor of 388 is 388.

3. What are the Factors of 389?

Answer: Factors of 389 are 1, 389. There are 2 integers that are factors of 389. The greatest factor of 389 is 389.

4. How to Find the LCM of 388 and 389?

Answer:

Least Common Multiple of 388 and 389 = 150932

Step 1: Find the prime factorization of 388

388 = 2 x 2 x 97

Step 2: Find the prime factorization of 389

389 = 389

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

LCM = 150932 = 2 x 2 x 97 x 389

Step 4: Therefore, the least common multiple of 388 and 389 is 150932.