Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7833 and 7839 the smallest integer that is 20467629 that is divisible by both numbers.
Least Common Multiple (LCM) of 7833 and 7839 is 20467629.
LCM(7833,7839) = 20467629
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 7833 and 7839. First we will calculate the prime factors of 7833 and 7839.
Prime Factorization of 7833
3 | 7833 |
7 | 2611 |
373 | 373 |
1 |
Prime factors of 7833 are 3, 7,373. Prime factorization of 7833 in exponential form is:
7833 = 31×71×3731
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
Now multiplying the highest exponent prime factors to calculate the LCM of 7833 and 7839.
LCM(7833,7839) = 32×71×131×671×3731
LCM(7833,7839) = 20467629
Factors of 7833
List of positive integer factors of 7833 that divides 7833 without a remainder.
1, 3, 7, 21, 373, 1119, 2611, 7833
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7833 and 7839, than apply into the LCM equation.
GCF(7833,7839) = 3
LCM(7833,7839) = ( 7833 × 7839) / 3
LCM(7833,7839) = 61402887 / 3
LCM(7833,7839) = 20467629
(i) The LCM of 7839 and 7833 is associative
LCM of 7833 and 7839 = LCM of 7839 and 7833
1. What is the LCM of 7833 and 7839?
Answer: LCM of 7833 and 7839 is 20467629.
2. What are the Factors of 7833?
Answer: Factors of 7833 are 1, 3, 7, 21, 373, 1119, 2611, 7833. There are 8 integers that are factors of 7833. The greatest factor of 7833 is 7833.
3. 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.
4. How to Find the LCM of 7833 and 7839?
Answer:
Least Common Multiple of 7833 and 7839 = 20467629
Step 1: Find the prime factorization of 7833
7833 = 3 x 7 x 373
Step 2: Find the prime factorization of 7839
7839 = 3 x 3 x 13 x 67
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 20467629 = 3 x 3 x 7 x 13 x 67 x 373
Step 4: Therefore, the least common multiple of 7833 and 7839 is 20467629.