Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7842 and 7843 the smallest integer that is 61504806 that is divisible by both numbers.
Least Common Multiple (LCM) of 7842 and 7843 is 61504806.
LCM(7842,7843) = 61504806
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 7842 and 7843. First we will calculate the prime factors of 7842 and 7843.
Prime Factorization of 7842
2 | 7842 |
3 | 3921 |
1307 | 1307 |
1 |
Prime factors of 7842 are 2, 3,1307. Prime factorization of 7842 in exponential form is:
7842 = 21×31×13071
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 7842 and 7843.
LCM(7842,7843) = 21×31×111×231×311×13071
LCM(7842,7843) = 61504806
Factors of 7842
List of positive integer factors of 7842 that divides 7842 without a remainder.
1, 2, 3, 6, 1307, 2614, 3921, 7842
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 7842 and 7843, than apply into the LCM equation.
GCF(7842,7843) = 1
LCM(7842,7843) = ( 7842 × 7843) / 1
LCM(7842,7843) = 61504806 / 1
LCM(7842,7843) = 61504806
(i) The LCM of 7843 and 7842 is associative
LCM of 7842 and 7843 = LCM of 7843 and 7842
1. What is the LCM of 7842 and 7843?
Answer: LCM of 7842 and 7843 is 61504806.
2. What are the Factors of 7842?
Answer: Factors of 7842 are 1, 2, 3, 6, 1307, 2614, 3921, 7842. There are 8 integers that are factors of 7842. The greatest factor of 7842 is 7842.
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 7842 and 7843?
Answer:
Least Common Multiple of 7842 and 7843 = 61504806
Step 1: Find the prime factorization of 7842
7842 = 2 x 3 x 1307
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 = 61504806 = 2 x 3 x 11 x 23 x 31 x 1307
Step 4: Therefore, the least common multiple of 7842 and 7843 is 61504806.