Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 814 and 819 the smallest integer that is 666666 that is divisible by both numbers.
Least Common Multiple (LCM) of 814 and 819 is 666666.
LCM(814,819) = 666666
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 814 and 819. First we will calculate the prime factors of 814 and 819.
Prime Factorization of 814
2 | 814 |
11 | 407 |
37 | 37 |
1 |
Prime factors of 814 are 2, 11,37. Prime factorization of 814 in exponential form is:
814 = 21×111×371
Prime Factorization of 819
3 | 819 |
3 | 273 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 819 are 3, 7,13. Prime factorization of 819 in exponential form is:
819 = 32×71×131
Now multiplying the highest exponent prime factors to calculate the LCM of 814 and 819.
LCM(814,819) = 21×32×71×111×131×371
LCM(814,819) = 666666
Factors of 814
List of positive integer factors of 814 that divides 814 without a remainder.
1, 2, 11, 22, 37, 74, 407, 814
Factors of 819
List of positive integer factors of 819 that divides 819 without a remainder.
1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 814 and 819, than apply into the LCM equation.
GCF(814,819) = 1
LCM(814,819) = ( 814 × 819) / 1
LCM(814,819) = 666666 / 1
LCM(814,819) = 666666
(i) The LCM of 819 and 814 is associative
LCM of 814 and 819 = LCM of 819 and 814
1. What is the LCM of 814 and 819?
Answer: LCM of 814 and 819 is 666666.
2. What are the Factors of 814?
Answer: Factors of 814 are 1, 2, 11, 22, 37, 74, 407, 814. There are 8 integers that are factors of 814. The greatest factor of 814 is 814.
3. What are the Factors of 819?
Answer: Factors of 819 are 1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819. There are 12 integers that are factors of 819. The greatest factor of 819 is 819.
4. How to Find the LCM of 814 and 819?
Answer:
Least Common Multiple of 814 and 819 = 666666
Step 1: Find the prime factorization of 814
814 = 2 x 11 x 37
Step 2: Find the prime factorization of 819
819 = 3 x 3 x 7 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 = 666666 = 2 x 3 x 3 x 7 x 11 x 13 x 37
Step 4: Therefore, the least common multiple of 814 and 819 is 666666.