Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 854 and 858 the smallest integer that is 366366 that is divisible by both numbers.
Least Common Multiple (LCM) of 854 and 858 is 366366.
LCM(854,858) = 366366
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 854 and 858. First we will calculate the prime factors of 854 and 858.
Prime Factorization of 854
2 | 854 |
7 | 427 |
61 | 61 |
1 |
Prime factors of 854 are 2, 7,61. Prime factorization of 854 in exponential form is:
854 = 21×71×611
Prime Factorization of 858
2 | 858 |
3 | 429 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 858 are 2, 3, 11,13. Prime factorization of 858 in exponential form is:
858 = 21×31×111×131
Now multiplying the highest exponent prime factors to calculate the LCM of 854 and 858.
LCM(854,858) = 21×31×71×111×131×611
LCM(854,858) = 366366
Factors of 854
List of positive integer factors of 854 that divides 854 without a remainder.
1, 2, 7, 14, 61, 122, 427, 854
Factors of 858
List of positive integer factors of 858 that divides 858 without a remainder.
1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 854 and 858, than apply into the LCM equation.
GCF(854,858) = 2
LCM(854,858) = ( 854 × 858) / 2
LCM(854,858) = 732732 / 2
LCM(854,858) = 366366
(i) The LCM of 858 and 854 is associative
LCM of 854 and 858 = LCM of 858 and 854
1. What is the LCM of 854 and 858?
Answer: LCM of 854 and 858 is 366366.
2. What are the Factors of 854?
Answer: Factors of 854 are 1, 2, 7, 14, 61, 122, 427, 854. There are 8 integers that are factors of 854. The greatest factor of 854 is 854.
3. What are the Factors of 858?
Answer: Factors of 858 are 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858. There are 16 integers that are factors of 858. The greatest factor of 858 is 858.
4. How to Find the LCM of 854 and 858?
Answer:
Least Common Multiple of 854 and 858 = 366366
Step 1: Find the prime factorization of 854
854 = 2 x 7 x 61
Step 2: Find the prime factorization of 858
858 = 2 x 3 x 11 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 = 366366 = 2 x 3 x 7 x 11 x 13 x 61
Step 4: Therefore, the least common multiple of 854 and 858 is 366366.