Least Common Multiple of 388 and 393

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 393 the smallest integer that is 152484 that is divisible by both numbers.

Least Common Multiple (LCM) of 388 and 393 is 152484.

LCM(388,393) = 152484

LCM of 388 and 393

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

LCM of:
and

Least Common Multiple of 388 and 393

LCM of 388 and 393 is 152484

Least common multiple can be found by multiplying the highest exponent prime factors of 388 and 393. First we will calculate the prime factors of 388 and 393.

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 393


3 393
131 131
1

Prime factors of 393 are 3,131. Prime factorization of 393 in exponential form is:

393 = 31×1311

Now multiplying the highest exponent prime factors to calculate the LCM of 388 and 393.

LCM(388,393) = 22×31×971×1311
LCM(388,393) = 152484

Factors of 388

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

1, 2, 4, 97, 194, 388

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1, 3, 131, 393

Least Common Multiple of 388 and 393 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 393, than apply into the LCM equation.

GCF(388,393) = 1
LCM(388,393) = ( 388 × 393) / 1
LCM(388,393) = 152484 / 1
LCM(388,393) = 152484

Properties of LCM 388 and 393

(i) The LCM of 393 and 388 is associative

LCM of 388 and 393 = LCM of 393 and 388

Frequently Asked Questions on LCM of 388 and 393

1. What is the LCM of 388 and 393?

Answer: LCM of 388 and 393 is 152484.

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 393?

Answer: Factors of 393 are 1, 3, 131, 393. There are 4 integers that are factors of 393. The greatest factor of 393 is 393.

4. How to Find the LCM of 388 and 393?

Answer:

Least Common Multiple of 388 and 393 = 152484

Step 1: Find the prime factorization of 388

388 = 2 x 2 x 97

Step 2: Find the prime factorization of 393

393 = 3 x 131

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

LCM = 152484 = 2 x 2 x 3 x 97 x 131

Step 4: Therefore, the least common multiple of 388 and 393 is 152484.