Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 852 and 856 the smallest integer that is 182328 that is divisible by both numbers.
Least Common Multiple (LCM) of 852 and 856 is 182328.
LCM(852,856) = 182328
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 852 and 856. First we will calculate the prime factors of 852 and 856.
Prime Factorization of 852
2 | 852 |
2 | 426 |
3 | 213 |
71 | 71 |
1 |
Prime factors of 852 are 2, 3,71. Prime factorization of 852 in exponential form is:
852 = 22×31×711
Prime Factorization of 856
2 | 856 |
2 | 428 |
2 | 214 |
107 | 107 |
1 |
Prime factors of 856 are 2,107. Prime factorization of 856 in exponential form is:
856 = 23×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 852 and 856.
LCM(852,856) = 23×31×711×1071
LCM(852,856) = 182328
Factors of 852
List of positive integer factors of 852 that divides 852 without a remainder.
1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852
Factors of 856
List of positive integer factors of 856 that divides 856 without a remainder.
1, 2, 4, 8, 107, 214, 428, 856
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 852 and 856, than apply into the LCM equation.
GCF(852,856) = 4
LCM(852,856) = ( 852 × 856) / 4
LCM(852,856) = 729312 / 4
LCM(852,856) = 182328
(i) The LCM of 856 and 852 is associative
LCM of 852 and 856 = LCM of 856 and 852
1. What is the LCM of 852 and 856?
Answer: LCM of 852 and 856 is 182328.
2. What are the Factors of 852?
Answer: Factors of 852 are 1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852. There are 12 integers that are factors of 852. The greatest factor of 852 is 852.
3. What are the Factors of 856?
Answer: Factors of 856 are 1, 2, 4, 8, 107, 214, 428, 856. There are 8 integers that are factors of 856. The greatest factor of 856 is 856.
4. How to Find the LCM of 852 and 856?
Answer:
Least Common Multiple of 852 and 856 = 182328
Step 1: Find the prime factorization of 852
852 = 2 x 2 x 3 x 71
Step 2: Find the prime factorization of 856
856 = 2 x 2 x 2 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 182328 = 2 x 2 x 2 x 3 x 71 x 107
Step 4: Therefore, the least common multiple of 852 and 856 is 182328.