Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 804 and 806 the smallest integer that is 324012 that is divisible by both numbers.
Least Common Multiple (LCM) of 804 and 806 is 324012.
LCM(804,806) = 324012
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 804 and 806. First we will calculate the prime factors of 804 and 806.
Prime Factorization of 804
2 | 804 |
2 | 402 |
3 | 201 |
67 | 67 |
1 |
Prime factors of 804 are 2, 3,67. Prime factorization of 804 in exponential form is:
804 = 22×31×671
Prime Factorization of 806
2 | 806 |
13 | 403 |
31 | 31 |
1 |
Prime factors of 806 are 2, 13,31. Prime factorization of 806 in exponential form is:
806 = 21×131×311
Now multiplying the highest exponent prime factors to calculate the LCM of 804 and 806.
LCM(804,806) = 22×31×131×311×671
LCM(804,806) = 324012
Factors of 804
List of positive integer factors of 804 that divides 804 without a remainder.
1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804
Factors of 806
List of positive integer factors of 806 that divides 806 without a remainder.
1, 2, 13, 26, 31, 62, 403, 806
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 804 and 806, than apply into the LCM equation.
GCF(804,806) = 2
LCM(804,806) = ( 804 × 806) / 2
LCM(804,806) = 648024 / 2
LCM(804,806) = 324012
(i) The LCM of 806 and 804 is associative
LCM of 804 and 806 = LCM of 806 and 804
1. What is the LCM of 804 and 806?
Answer: LCM of 804 and 806 is 324012.
2. What are the Factors of 804?
Answer: Factors of 804 are 1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804. There are 12 integers that are factors of 804. The greatest factor of 804 is 804.
3. What are the Factors of 806?
Answer: Factors of 806 are 1, 2, 13, 26, 31, 62, 403, 806. There are 8 integers that are factors of 806. The greatest factor of 806 is 806.
4. How to Find the LCM of 804 and 806?
Answer:
Least Common Multiple of 804 and 806 = 324012
Step 1: Find the prime factorization of 804
804 = 2 x 2 x 3 x 67
Step 2: Find the prime factorization of 806
806 = 2 x 13 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 324012 = 2 x 2 x 3 x 13 x 31 x 67
Step 4: Therefore, the least common multiple of 804 and 806 is 324012.