Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7839 and 7843 the smallest integer that is 61481277 that is divisible by both numbers.
Least Common Multiple (LCM) of 7839 and 7843 is 61481277.
LCM(7839,7843) = 61481277
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 7839 and 7843. First we will calculate the prime factors of 7839 and 7843.
Prime Factorization of 7839
3 | 7839 |
3 | 2613 |
13 | 871 |
67 | 67 |
1 |
Prime factors of 7839 are 3, 13,67. Prime factorization of 7839 in exponential form is:
7839 = 32×131×671
Prime Factorization of 7843
11 | 7843 |
23 | 713 |
31 | 31 |
1 |
Prime factors of 7843 are 11, 23,31. Prime factorization of 7843 in exponential form is:
7843 = 111×231×311
Now multiplying the highest exponent prime factors to calculate the LCM of 7839 and 7843.
LCM(7839,7843) = 32×111×131×231×311×671
LCM(7839,7843) = 61481277
Factors of 7839
List of positive integer factors of 7839 that divides 7839 without a remainder.
1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839
Factors of 7843
List of positive integer factors of 7843 that divides 7843 without a remainder.
1, 11, 23, 31, 253, 341, 713, 7843
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7839 and 7843, than apply into the LCM equation.
GCF(7839,7843) = 1
LCM(7839,7843) = ( 7839 × 7843) / 1
LCM(7839,7843) = 61481277 / 1
LCM(7839,7843) = 61481277
(i) The LCM of 7843 and 7839 is associative
LCM of 7839 and 7843 = LCM of 7843 and 7839
1. What is the LCM of 7839 and 7843?
Answer: LCM of 7839 and 7843 is 61481277.
2. What are the Factors of 7839?
Answer: Factors of 7839 are 1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839. There are 12 integers that are factors of 7839. The greatest factor of 7839 is 7839.
3. What are the Factors of 7843?
Answer: Factors of 7843 are 1, 11, 23, 31, 253, 341, 713, 7843. There are 8 integers that are factors of 7843. The greatest factor of 7843 is 7843.
4. How to Find the LCM of 7839 and 7843?
Answer:
Least Common Multiple of 7839 and 7843 = 61481277
Step 1: Find the prime factorization of 7839
7839 = 3 x 3 x 13 x 67
Step 2: Find the prime factorization of 7843
7843 = 11 x 23 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 = 61481277 = 3 x 3 x 11 x 13 x 23 x 31 x 67
Step 4: Therefore, the least common multiple of 7839 and 7843 is 61481277.