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 9788 the smallest integer that is 95736428 that is divisible by both numbers.
Least Common Multiple (LCM) of 9781 and 9788 is 95736428.
LCM(9781,9788) = 95736428
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 9781 and 9788. First we will calculate the prime factors of 9781 and 9788.
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 9788
2 | 9788 |
2 | 4894 |
2447 | 2447 |
1 |
Prime factors of 9788 are 2,2447. Prime factorization of 9788 in exponential form is:
9788 = 22×24471
Now multiplying the highest exponent prime factors to calculate the LCM of 9781 and 9788.
LCM(9781,9788) = 22×24471×97811
LCM(9781,9788) = 95736428
Factors of 9781
List of positive integer factors of 9781 that divides 9781 without a remainder.
1, 9781
Factors of 9788
List of positive integer factors of 9788 that divides 9788 without a remainder.
1, 2, 4, 2447, 4894, 9788
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9781 and 9788, than apply into the LCM equation.
GCF(9781,9788) = 1
LCM(9781,9788) = ( 9781 × 9788) / 1
LCM(9781,9788) = 95736428 / 1
LCM(9781,9788) = 95736428
(i) The LCM of 9788 and 9781 is associative
LCM of 9781 and 9788 = LCM of 9788 and 9781
1. What is the LCM of 9781 and 9788?
Answer: LCM of 9781 and 9788 is 95736428.
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 9788?
Answer: Factors of 9788 are 1, 2, 4, 2447, 4894, 9788. There are 6 integers that are factors of 9788. The greatest factor of 9788 is 9788.
4. How to Find the LCM of 9781 and 9788?
Answer:
Least Common Multiple of 9781 and 9788 = 95736428
Step 1: Find the prime factorization of 9781
9781 = 9781
Step 2: Find the prime factorization of 9788
9788 = 2 x 2 x 2447
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 95736428 = 2 x 2 x 2447 x 9781
Step 4: Therefore, the least common multiple of 9781 and 9788 is 95736428.