Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 888 and 891 the smallest integer that is 263736 that is divisible by both numbers.
Least Common Multiple (LCM) of 888 and 891 is 263736.
LCM(888,891) = 263736
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 888 and 891. First we will calculate the prime factors of 888 and 891.
Prime Factorization of 888
2 | 888 |
2 | 444 |
2 | 222 |
3 | 111 |
37 | 37 |
1 |
Prime factors of 888 are 2, 3,37. Prime factorization of 888 in exponential form is:
888 = 23×31×371
Prime Factorization of 891
3 | 891 |
3 | 297 |
3 | 99 |
3 | 33 |
11 | 11 |
1 |
Prime factors of 891 are 3,11. Prime factorization of 891 in exponential form is:
891 = 34×111
Now multiplying the highest exponent prime factors to calculate the LCM of 888 and 891.
LCM(888,891) = 23×34×111×371
LCM(888,891) = 263736
Factors of 888
List of positive integer factors of 888 that divides 888 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888
Factors of 891
List of positive integer factors of 891 that divides 891 without a remainder.
1, 3, 9, 11, 27, 33, 81, 99, 297, 891
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 888 and 891, than apply into the LCM equation.
GCF(888,891) = 3
LCM(888,891) = ( 888 × 891) / 3
LCM(888,891) = 791208 / 3
LCM(888,891) = 263736
(i) The LCM of 891 and 888 is associative
LCM of 888 and 891 = LCM of 891 and 888
1. What is the LCM of 888 and 891?
Answer: LCM of 888 and 891 is 263736.
2. What are the Factors of 888?
Answer: Factors of 888 are 1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888. There are 16 integers that are factors of 888. The greatest factor of 888 is 888.
3. What are the Factors of 891?
Answer: Factors of 891 are 1, 3, 9, 11, 27, 33, 81, 99, 297, 891. There are 10 integers that are factors of 891. The greatest factor of 891 is 891.
4. How to Find the LCM of 888 and 891?
Answer:
Least Common Multiple of 888 and 891 = 263736
Step 1: Find the prime factorization of 888
888 = 2 x 2 x 2 x 3 x 37
Step 2: Find the prime factorization of 891
891 = 3 x 3 x 3 x 3 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 263736 = 2 x 2 x 2 x 3 x 3 x 3 x 3 x 11 x 37
Step 4: Therefore, the least common multiple of 888 and 891 is 263736.