Least Common Multiple of 387 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 387 and 393 the smallest integer that is 50697 that is divisible by both numbers.

Least Common Multiple (LCM) of 387 and 393 is 50697.

LCM(387,393) = 50697

LCM of 387 and 393

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

LCM of:
and

Least Common Multiple of 387 and 393

LCM of 387 and 393 is 50697

Least common multiple can be found by multiplying the highest exponent prime factors of 387 and 393. First we will calculate the prime factors of 387 and 393.

Prime Factorization of 387


3 387
3 129
43 43
1

Prime factors of 387 are 3,43. Prime factorization of 387 in exponential form is:

387 = 32×431

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 387 and 393.

LCM(387,393) = 32×431×1311
LCM(387,393) = 50697

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1, 3, 9, 43, 129, 387

Factors of 393

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

1, 3, 131, 393

Least Common Multiple of 387 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 387 and 393, than apply into the LCM equation.

GCF(387,393) = 3
LCM(387,393) = ( 387 × 393) / 3
LCM(387,393) = 152091 / 3
LCM(387,393) = 50697

Properties of LCM 387 and 393

(i) The LCM of 393 and 387 is associative

LCM of 387 and 393 = LCM of 393 and 387

Frequently Asked Questions on LCM of 387 and 393

1. What is the LCM of 387 and 393?

Answer: LCM of 387 and 393 is 50697.

2. What are the Factors of 387?

Answer: Factors of 387 are 1, 3, 9, 43, 129, 387. There are 6 integers that are factors of 387. The greatest factor of 387 is 387.

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 387 and 393?

Answer:

Least Common Multiple of 387 and 393 = 50697

Step 1: Find the prime factorization of 387

387 = 3 x 3 x 43

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 = 50697 = 3 x 3 x 43 x 131

Step 4: Therefore, the least common multiple of 387 and 393 is 50697.