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 7838 the smallest integer that is 61395054 that is divisible by both numbers.
Least Common Multiple (LCM) of 7833 and 7838 is 61395054.
LCM(7833,7838) = 61395054
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 7838. First we will calculate the prime factors of 7833 and 7838.
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 7838
2 | 7838 |
3919 | 3919 |
1 |
Prime factors of 7838 are 2,3919. Prime factorization of 7838 in exponential form is:
7838 = 21×39191
Now multiplying the highest exponent prime factors to calculate the LCM of 7833 and 7838.
LCM(7833,7838) = 21×31×71×3731×39191
LCM(7833,7838) = 61395054
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 7838
List of positive integer factors of 7838 that divides 7838 without a remainder.
1, 2, 3919, 7838
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7833 and 7838, than apply into the LCM equation.
GCF(7833,7838) = 1
LCM(7833,7838) = ( 7833 × 7838) / 1
LCM(7833,7838) = 61395054 / 1
LCM(7833,7838) = 61395054
(i) The LCM of 7838 and 7833 is associative
LCM of 7833 and 7838 = LCM of 7838 and 7833
1. What is the LCM of 7833 and 7838?
Answer: LCM of 7833 and 7838 is 61395054.
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 7838?
Answer: Factors of 7838 are 1, 2, 3919, 7838. There are 4 integers that are factors of 7838. The greatest factor of 7838 is 7838.
4. How to Find the LCM of 7833 and 7838?
Answer:
Least Common Multiple of 7833 and 7838 = 61395054
Step 1: Find the prime factorization of 7833
7833 = 3 x 7 x 373
Step 2: Find the prime factorization of 7838
7838 = 2 x 3919
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 61395054 = 2 x 3 x 7 x 373 x 3919
Step 4: Therefore, the least common multiple of 7833 and 7838 is 61395054.