Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7812 and 7816 the smallest integer that is 15264648 that is divisible by both numbers.
Least Common Multiple (LCM) of 7812 and 7816 is 15264648.
LCM(7812,7816) = 15264648
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 7812 and 7816. First we will calculate the prime factors of 7812 and 7816.
Prime Factorization of 7812
2 | 7812 |
2 | 3906 |
3 | 1953 |
3 | 651 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 7812 are 2, 3, 7,31. Prime factorization of 7812 in exponential form is:
7812 = 22×32×71×311
Prime Factorization of 7816
2 | 7816 |
2 | 3908 |
2 | 1954 |
977 | 977 |
1 |
Prime factors of 7816 are 2,977. Prime factorization of 7816 in exponential form is:
7816 = 23×9771
Now multiplying the highest exponent prime factors to calculate the LCM of 7812 and 7816.
LCM(7812,7816) = 23×32×71×311×9771
LCM(7812,7816) = 15264648
Factors of 7812
List of positive integer factors of 7812 that divides 7812 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812
Factors of 7816
List of positive integer factors of 7816 that divides 7816 without a remainder.
1, 2, 4, 8, 977, 1954, 3908, 7816
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7812 and 7816, than apply into the LCM equation.
GCF(7812,7816) = 4
LCM(7812,7816) = ( 7812 × 7816) / 4
LCM(7812,7816) = 61058592 / 4
LCM(7812,7816) = 15264648
(i) The LCM of 7816 and 7812 is associative
LCM of 7812 and 7816 = LCM of 7816 and 7812
1. What is the LCM of 7812 and 7816?
Answer: LCM of 7812 and 7816 is 15264648.
2. What are the Factors of 7812?
Answer: Factors of 7812 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812. There are 36 integers that are factors of 7812. The greatest factor of 7812 is 7812.
3. What are the Factors of 7816?
Answer: Factors of 7816 are 1, 2, 4, 8, 977, 1954, 3908, 7816. There are 8 integers that are factors of 7816. The greatest factor of 7816 is 7816.
4. How to Find the LCM of 7812 and 7816?
Answer:
Least Common Multiple of 7812 and 7816 = 15264648
Step 1: Find the prime factorization of 7812
7812 = 2 x 2 x 3 x 3 x 7 x 31
Step 2: Find the prime factorization of 7816
7816 = 2 x 2 x 2 x 977
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15264648 = 2 x 2 x 2 x 3 x 3 x 7 x 31 x 977
Step 4: Therefore, the least common multiple of 7812 and 7816 is 15264648.