Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8781 and 8782 the smallest integer that is 77114742 that is divisible by both numbers.
Least Common Multiple (LCM) of 8781 and 8782 is 77114742.
LCM(8781,8782) = 77114742
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 8781 and 8782. First we will calculate the prime factors of 8781 and 8782.
Prime Factorization of 8781
3 | 8781 |
2927 | 2927 |
1 |
Prime factors of 8781 are 3,2927. Prime factorization of 8781 in exponential form is:
8781 = 31×29271
Prime Factorization of 8782
2 | 8782 |
4391 | 4391 |
1 |
Prime factors of 8782 are 2,4391. Prime factorization of 8782 in exponential form is:
8782 = 21×43911
Now multiplying the highest exponent prime factors to calculate the LCM of 8781 and 8782.
LCM(8781,8782) = 21×31×29271×43911
LCM(8781,8782) = 77114742
Factors of 8781
List of positive integer factors of 8781 that divides 8781 without a remainder.
1, 3, 2927, 8781
Factors of 8782
List of positive integer factors of 8782 that divides 8782 without a remainder.
1, 2, 4391, 8782
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8781 and 8782, than apply into the LCM equation.
GCF(8781,8782) = 1
LCM(8781,8782) = ( 8781 × 8782) / 1
LCM(8781,8782) = 77114742 / 1
LCM(8781,8782) = 77114742
(i) The LCM of 8782 and 8781 is associative
LCM of 8781 and 8782 = LCM of 8782 and 8781
1. What is the LCM of 8781 and 8782?
Answer: LCM of 8781 and 8782 is 77114742.
2. What are the Factors of 8781?
Answer: Factors of 8781 are 1, 3, 2927, 8781. There are 4 integers that are factors of 8781. The greatest factor of 8781 is 8781.
3. What are the Factors of 8782?
Answer: Factors of 8782 are 1, 2, 4391, 8782. There are 4 integers that are factors of 8782. The greatest factor of 8782 is 8782.
4. How to Find the LCM of 8781 and 8782?
Answer:
Least Common Multiple of 8781 and 8782 = 77114742
Step 1: Find the prime factorization of 8781
8781 = 3 x 2927
Step 2: Find the prime factorization of 8782
8782 = 2 x 4391
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 77114742 = 2 x 3 x 2927 x 4391
Step 4: Therefore, the least common multiple of 8781 and 8782 is 77114742.