Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 851 and 854 the smallest integer that is 726754 that is divisible by both numbers.
Least Common Multiple (LCM) of 851 and 854 is 726754.
LCM(851,854) = 726754
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 851 and 854. First we will calculate the prime factors of 851 and 854.
Prime Factorization of 851
23 | 851 |
37 | 37 |
1 |
Prime factors of 851 are 23,37. Prime factorization of 851 in exponential form is:
851 = 231×371
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
Now multiplying the highest exponent prime factors to calculate the LCM of 851 and 854.
LCM(851,854) = 21×71×231×371×611
LCM(851,854) = 726754
Factors of 851
List of positive integer factors of 851 that divides 851 without a remainder.
1, 23, 37, 851
Factors of 854
List of positive integer factors of 854 that divides 854 without a remainder.
1, 2, 7, 14, 61, 122, 427, 854
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 851 and 854, than apply into the LCM equation.
GCF(851,854) = 1
LCM(851,854) = ( 851 × 854) / 1
LCM(851,854) = 726754 / 1
LCM(851,854) = 726754
(i) The LCM of 854 and 851 is associative
LCM of 851 and 854 = LCM of 854 and 851
1. What is the LCM of 851 and 854?
Answer: LCM of 851 and 854 is 726754.
2. What are the Factors of 851?
Answer: Factors of 851 are 1, 23, 37, 851. There are 4 integers that are factors of 851. The greatest factor of 851 is 851.
3. 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.
4. How to Find the LCM of 851 and 854?
Answer:
Least Common Multiple of 851 and 854 = 726754
Step 1: Find the prime factorization of 851
851 = 23 x 37
Step 2: Find the prime factorization of 854
854 = 2 x 7 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 726754 = 2 x 7 x 23 x 37 x 61
Step 4: Therefore, the least common multiple of 851 and 854 is 726754.