Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9786 and 9789 the smallest integer that is 31931718 that is divisible by both numbers.
Least Common Multiple (LCM) of 9786 and 9789 is 31931718.
LCM(9786,9789) = 31931718
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 9786 and 9789. First we will calculate the prime factors of 9786 and 9789.
Prime Factorization of 9786
2 | 9786 |
3 | 4893 |
7 | 1631 |
233 | 233 |
1 |
Prime factors of 9786 are 2, 3, 7,233. Prime factorization of 9786 in exponential form is:
9786 = 21×31×71×2331
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 9786 and 9789.
LCM(9786,9789) = 21×31×71×131×2331×2511
LCM(9786,9789) = 31931718
Factors of 9786
List of positive integer factors of 9786 that divides 9786 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 3262, 4893, 9786
Factors of 9789
List of positive integer factors of 9789 that divides 9789 without a remainder.
1, 3, 13, 39, 251, 753, 3263, 9789
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9786 and 9789, than apply into the LCM equation.
GCF(9786,9789) = 3
LCM(9786,9789) = ( 9786 × 9789) / 3
LCM(9786,9789) = 95795154 / 3
LCM(9786,9789) = 31931718
(i) The LCM of 9789 and 9786 is associative
LCM of 9786 and 9789 = LCM of 9789 and 9786
1. What is the LCM of 9786 and 9789?
Answer: LCM of 9786 and 9789 is 31931718.
2. What are the Factors of 9786?
Answer: Factors of 9786 are 1, 2, 3, 6, 7, 14, 21, 42, 233, 466, 699, 1398, 1631, 3262, 4893, 9786. There are 16 integers that are factors of 9786. The greatest factor of 9786 is 9786.
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 9786 and 9789?
Answer:
Least Common Multiple of 9786 and 9789 = 31931718
Step 1: Find the prime factorization of 9786
9786 = 2 x 3 x 7 x 233
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 = 31931718 = 2 x 3 x 7 x 13 x 233 x 251
Step 4: Therefore, the least common multiple of 9786 and 9789 is 31931718.