Least Common Multiple of 783 and 789

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 783 and 789 the smallest integer that is 205929 that is divisible by both numbers.

Least Common Multiple (LCM) of 783 and 789 is 205929.

LCM(783,789) = 205929

LCM of 783 and 789

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

LCM of:
and

Least Common Multiple of 783 and 789

LCM of 783 and 789 is 205929

Least common multiple can be found by multiplying the highest exponent prime factors of 783 and 789. First we will calculate the prime factors of 783 and 789.

Prime Factorization of 783


3 783
3 261
3 87
29 29
1

Prime factors of 783 are 3,29. Prime factorization of 783 in exponential form is:

783 = 33×291

Prime Factorization of 789


3 789
263 263
1

Prime factors of 789 are 3,263. Prime factorization of 789 in exponential form is:

789 = 31×2631

Now multiplying the highest exponent prime factors to calculate the LCM of 783 and 789.

LCM(783,789) = 33×291×2631
LCM(783,789) = 205929

Factors of 783

List of positive integer factors of 783 that divides 783 without a remainder.

1, 3, 9, 27, 29, 87, 261, 783

Factors of 789

List of positive integer factors of 789 that divides 789 without a remainder.

1, 3, 263, 789

Least Common Multiple of 783 and 789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 783 and 789, than apply into the LCM equation.

GCF(783,789) = 3
LCM(783,789) = ( 783 × 789) / 3
LCM(783,789) = 617787 / 3
LCM(783,789) = 205929

Properties of LCM 783 and 789

(i) The LCM of 789 and 783 is associative

LCM of 783 and 789 = LCM of 789 and 783

Frequently Asked Questions on LCM of 783 and 789

1. What is the LCM of 783 and 789?

Answer: LCM of 783 and 789 is 205929.

2. What are the Factors of 783?

Answer: Factors of 783 are 1, 3, 9, 27, 29, 87, 261, 783. There are 8 integers that are factors of 783. The greatest factor of 783 is 783.

3. What are the Factors of 789?

Answer: Factors of 789 are 1, 3, 263, 789. There are 4 integers that are factors of 789. The greatest factor of 789 is 789.

4. How to Find the LCM of 783 and 789?

Answer:

Least Common Multiple of 783 and 789 = 205929

Step 1: Find the prime factorization of 783

783 = 3 x 3 x 3 x 29

Step 2: Find the prime factorization of 789

789 = 3 x 263

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

LCM = 205929 = 3 x 3 x 3 x 29 x 263

Step 4: Therefore, the least common multiple of 783 and 789 is 205929.