Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3904 and 3908 the smallest integer that is 3814208 that is divisible by both numbers.
Least Common Multiple (LCM) of 3904 and 3908 is 3814208.
LCM(3904,3908) = 3814208
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 3904 and 3908. First we will calculate the prime factors of 3904 and 3908.
Prime Factorization of 3904
2 | 3904 |
2 | 1952 |
2 | 976 |
2 | 488 |
2 | 244 |
2 | 122 |
61 | 61 |
1 |
Prime factors of 3904 are 2,61. Prime factorization of 3904 in exponential form is:
3904 = 26×611
Prime Factorization of 3908
2 | 3908 |
2 | 1954 |
977 | 977 |
1 |
Prime factors of 3908 are 2,977. Prime factorization of 3908 in exponential form is:
3908 = 22×9771
Now multiplying the highest exponent prime factors to calculate the LCM of 3904 and 3908.
LCM(3904,3908) = 26×611×9771
LCM(3904,3908) = 3814208
Factors of 3904
List of positive integer factors of 3904 that divides 3904 without a remainder.
1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904
Factors of 3908
List of positive integer factors of 3908 that divides 3908 without a remainder.
1, 2, 4, 977, 1954, 3908
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3904 and 3908, than apply into the LCM equation.
GCF(3904,3908) = 4
LCM(3904,3908) = ( 3904 × 3908) / 4
LCM(3904,3908) = 15256832 / 4
LCM(3904,3908) = 3814208
(i) The LCM of 3908 and 3904 is associative
LCM of 3904 and 3908 = LCM of 3908 and 3904
1. What is the LCM of 3904 and 3908?
Answer: LCM of 3904 and 3908 is 3814208.
2. What are the Factors of 3904?
Answer: Factors of 3904 are 1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904. There are 14 integers that are factors of 3904. The greatest factor of 3904 is 3904.
3. What are the Factors of 3908?
Answer: Factors of 3908 are 1, 2, 4, 977, 1954, 3908. There are 6 integers that are factors of 3908. The greatest factor of 3908 is 3908.
4. How to Find the LCM of 3904 and 3908?
Answer:
Least Common Multiple of 3904 and 3908 = 3814208
Step 1: Find the prime factorization of 3904
3904 = 2 x 2 x 2 x 2 x 2 x 2 x 61
Step 2: Find the prime factorization of 3908
3908 = 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 = 3814208 = 2 x 2 x 2 x 2 x 2 x 2 x 61 x 977
Step 4: Therefore, the least common multiple of 3904 and 3908 is 3814208.