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 8788 the smallest integer that is 77167428 that is divisible by both numbers.
Least Common Multiple (LCM) of 8781 and 8788 is 77167428.
LCM(8781,8788) = 77167428
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 8788. First we will calculate the prime factors of 8781 and 8788.
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 8788
2 | 8788 |
2 | 4394 |
13 | 2197 |
13 | 169 |
13 | 13 |
1 |
Prime factors of 8788 are 2,13. Prime factorization of 8788 in exponential form is:
8788 = 22×133
Now multiplying the highest exponent prime factors to calculate the LCM of 8781 and 8788.
LCM(8781,8788) = 22×31×133×29271
LCM(8781,8788) = 77167428
Factors of 8781
List of positive integer factors of 8781 that divides 8781 without a remainder.
1, 3, 2927, 8781
Factors of 8788
List of positive integer factors of 8788 that divides 8788 without a remainder.
1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8781 and 8788, than apply into the LCM equation.
GCF(8781,8788) = 1
LCM(8781,8788) = ( 8781 × 8788) / 1
LCM(8781,8788) = 77167428 / 1
LCM(8781,8788) = 77167428
(i) The LCM of 8788 and 8781 is associative
LCM of 8781 and 8788 = LCM of 8788 and 8781
1. What is the LCM of 8781 and 8788?
Answer: LCM of 8781 and 8788 is 77167428.
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 8788?
Answer: Factors of 8788 are 1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 4394, 8788. There are 12 integers that are factors of 8788. The greatest factor of 8788 is 8788.
4. How to Find the LCM of 8781 and 8788?
Answer:
Least Common Multiple of 8781 and 8788 = 77167428
Step 1: Find the prime factorization of 8781
8781 = 3 x 2927
Step 2: Find the prime factorization of 8788
8788 = 2 x 2 x 13 x 13 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 77167428 = 2 x 2 x 3 x 13 x 13 x 13 x 2927
Step 4: Therefore, the least common multiple of 8781 and 8788 is 77167428.