Least Common Multiple of 9781 and 9789

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 9781 and 9789 the smallest integer that is 95746209 that is divisible by both numbers.

Least Common Multiple (LCM) of 9781 and 9789 is 95746209.

LCM(9781,9789) = 95746209

LCM of 9781 and 9789

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

LCM of:
and

Least Common Multiple of 9781 and 9789

LCM of 9781 and 9789 is 95746209

Least common multiple can be found by multiplying the highest exponent prime factors of 9781 and 9789. First we will calculate the prime factors of 9781 and 9789.

Prime Factorization of 9781


9781 9781
1

Prime factors of 9781 are 9781. Prime factorization of 9781 in exponential form is:

9781 = 97811

Prime Factorization of 9789


3 9789
13 3263
251 251
1

Prime factors of 9789 are 3, 13,251. Prime factorization of 9789 in exponential form is:

9789 = 31×131×2511

Now multiplying the highest exponent prime factors to calculate the LCM of 9781 and 9789.

LCM(9781,9789) = 31×131×2511×97811
LCM(9781,9789) = 95746209

Factors of 9781

List of positive integer factors of 9781 that divides 9781 without a remainder.

1, 9781

Factors of 9789

List of positive integer factors of 9789 that divides 9789 without a remainder.

1, 3, 13, 39, 251, 753, 3263, 9789

Least Common Multiple of 9781 and 9789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9781 and 9789, than apply into the LCM equation.

GCF(9781,9789) = 1
LCM(9781,9789) = ( 9781 × 9789) / 1
LCM(9781,9789) = 95746209 / 1
LCM(9781,9789) = 95746209

Properties of LCM 9781 and 9789

(i) The LCM of 9789 and 9781 is associative

LCM of 9781 and 9789 = LCM of 9789 and 9781

Frequently Asked Questions on LCM of 9781 and 9789

1. What is the LCM of 9781 and 9789?

Answer: LCM of 9781 and 9789 is 95746209.

2. What are the Factors of 9781?

Answer: Factors of 9781 are 1, 9781. There are 2 integers that are factors of 9781. The greatest factor of 9781 is 9781.

3. What are the Factors of 9789?

Answer: Factors of 9789 are 1, 3, 13, 39, 251, 753, 3263, 9789. There are 8 integers that are factors of 9789. The greatest factor of 9789 is 9789.

4. How to Find the LCM of 9781 and 9789?

Answer:

Least Common Multiple of 9781 and 9789 = 95746209

Step 1: Find the prime factorization of 9781

9781 = 9781

Step 2: Find the prime factorization of 9789

9789 = 3 x 13 x 251

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

LCM = 95746209 = 3 x 13 x 251 x 9781

Step 4: Therefore, the least common multiple of 9781 and 9789 is 95746209.