Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3896 and 3904 the smallest integer that is 1901248 that is divisible by both numbers.
Least Common Multiple (LCM) of 3896 and 3904 is 1901248.
LCM(3896,3904) = 1901248
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 3896 and 3904. First we will calculate the prime factors of 3896 and 3904.
Prime Factorization of 3896
2 | 3896 |
2 | 1948 |
2 | 974 |
487 | 487 |
1 |
Prime factors of 3896 are 2,487. Prime factorization of 3896 in exponential form is:
3896 = 23×4871
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
Now multiplying the highest exponent prime factors to calculate the LCM of 3896 and 3904.
LCM(3896,3904) = 26×611×4871
LCM(3896,3904) = 1901248
Factors of 3896
List of positive integer factors of 3896 that divides 3896 without a remainder.
1, 2, 4, 8, 487, 974, 1948, 3896
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3896 and 3904, than apply into the LCM equation.
GCF(3896,3904) = 8
LCM(3896,3904) = ( 3896 × 3904) / 8
LCM(3896,3904) = 15209984 / 8
LCM(3896,3904) = 1901248
(i) The LCM of 3904 and 3896 is associative
LCM of 3896 and 3904 = LCM of 3904 and 3896
1. What is the LCM of 3896 and 3904?
Answer: LCM of 3896 and 3904 is 1901248.
2. What are the Factors of 3896?
Answer: Factors of 3896 are 1, 2, 4, 8, 487, 974, 1948, 3896. There are 8 integers that are factors of 3896. The greatest factor of 3896 is 3896.
3. 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.
4. How to Find the LCM of 3896 and 3904?
Answer:
Least Common Multiple of 3896 and 3904 = 1901248
Step 1: Find the prime factorization of 3896
3896 = 2 x 2 x 2 x 487
Step 2: Find the prime factorization of 3904
3904 = 2 x 2 x 2 x 2 x 2 x 2 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1901248 = 2 x 2 x 2 x 2 x 2 x 2 x 61 x 487
Step 4: Therefore, the least common multiple of 3896 and 3904 is 1901248.