Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7818 and 7826 the smallest integer that is 30591834 that is divisible by both numbers.
Least Common Multiple (LCM) of 7818 and 7826 is 30591834.
LCM(7818,7826) = 30591834
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 7818 and 7826. First we will calculate the prime factors of 7818 and 7826.
Prime Factorization of 7818
2 | 7818 |
3 | 3909 |
1303 | 1303 |
1 |
Prime factors of 7818 are 2, 3,1303. Prime factorization of 7818 in exponential form is:
7818 = 21×31×13031
Prime Factorization of 7826
2 | 7826 |
7 | 3913 |
13 | 559 |
43 | 43 |
1 |
Prime factors of 7826 are 2, 7, 13,43. Prime factorization of 7826 in exponential form is:
7826 = 21×71×131×431
Now multiplying the highest exponent prime factors to calculate the LCM of 7818 and 7826.
LCM(7818,7826) = 21×31×71×131×431×13031
LCM(7818,7826) = 30591834
Factors of 7818
List of positive integer factors of 7818 that divides 7818 without a remainder.
1, 2, 3, 6, 1303, 2606, 3909, 7818
Factors of 7826
List of positive integer factors of 7826 that divides 7826 without a remainder.
1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7818 and 7826, than apply into the LCM equation.
GCF(7818,7826) = 2
LCM(7818,7826) = ( 7818 × 7826) / 2
LCM(7818,7826) = 61183668 / 2
LCM(7818,7826) = 30591834
(i) The LCM of 7826 and 7818 is associative
LCM of 7818 and 7826 = LCM of 7826 and 7818
1. What is the LCM of 7818 and 7826?
Answer: LCM of 7818 and 7826 is 30591834.
2. What are the Factors of 7818?
Answer: Factors of 7818 are 1, 2, 3, 6, 1303, 2606, 3909, 7818. There are 8 integers that are factors of 7818. The greatest factor of 7818 is 7818.
3. What are the Factors of 7826?
Answer: Factors of 7826 are 1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 3913, 7826. There are 16 integers that are factors of 7826. The greatest factor of 7826 is 7826.
4. How to Find the LCM of 7818 and 7826?
Answer:
Least Common Multiple of 7818 and 7826 = 30591834
Step 1: Find the prime factorization of 7818
7818 = 2 x 3 x 1303
Step 2: Find the prime factorization of 7826
7826 = 2 x 7 x 13 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 30591834 = 2 x 3 x 7 x 13 x 43 x 1303
Step 4: Therefore, the least common multiple of 7818 and 7826 is 30591834.