Least Common Multiple of 6389 and 6390

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 6389 and 6390 the smallest integer that is 40825710 that is divisible by both numbers.

Least Common Multiple (LCM) of 6389 and 6390 is 40825710.

LCM(6389,6390) = 40825710

LCM of 6389 and 6390

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

LCM of:
and

Least Common Multiple of 6389 and 6390

LCM of 6389 and 6390 is 40825710

Least common multiple can be found by multiplying the highest exponent prime factors of 6389 and 6390. First we will calculate the prime factors of 6389 and 6390.

Prime Factorization of 6389


6389 6389
1

Prime factors of 6389 are 6389. Prime factorization of 6389 in exponential form is:

6389 = 63891

Prime Factorization of 6390


2 6390
3 3195
3 1065
5 355
71 71
1

Prime factors of 6390 are 2, 3, 5,71. Prime factorization of 6390 in exponential form is:

6390 = 21×32×51×711

Now multiplying the highest exponent prime factors to calculate the LCM of 6389 and 6390.

LCM(6389,6390) = 21×32×51×711×63891
LCM(6389,6390) = 40825710

Factors of 6389

List of positive integer factors of 6389 that divides 6389 without a remainder.

1, 6389

Factors of 6390

List of positive integer factors of 6390 that divides 6390 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390

Least Common Multiple of 6389 and 6390 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6389 and 6390, than apply into the LCM equation.

GCF(6389,6390) = 1
LCM(6389,6390) = ( 6389 × 6390) / 1
LCM(6389,6390) = 40825710 / 1
LCM(6389,6390) = 40825710

Properties of LCM 6389 and 6390

(i) The LCM of 6390 and 6389 is associative

LCM of 6389 and 6390 = LCM of 6390 and 6389

Frequently Asked Questions on LCM of 6389 and 6390

1. What is the LCM of 6389 and 6390?

Answer: LCM of 6389 and 6390 is 40825710.

2. What are the Factors of 6389?

Answer: Factors of 6389 are 1, 6389. There are 2 integers that are factors of 6389. The greatest factor of 6389 is 6389.

3. What are the Factors of 6390?

Answer: Factors of 6390 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390. There are 24 integers that are factors of 6390. The greatest factor of 6390 is 6390.

4. How to Find the LCM of 6389 and 6390?

Answer:

Least Common Multiple of 6389 and 6390 = 40825710

Step 1: Find the prime factorization of 6389

6389 = 6389

Step 2: Find the prime factorization of 6390

6390 = 2 x 3 x 3 x 5 x 71

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

LCM = 40825710 = 2 x 3 x 3 x 5 x 71 x 6389

Step 4: Therefore, the least common multiple of 6389 and 6390 is 40825710.