Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3885 and 3892 the smallest integer that is 2160060 that is divisible by both numbers.
Least Common Multiple (LCM) of 3885 and 3892 is 2160060.
LCM(3885,3892) = 2160060
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 3885 and 3892. First we will calculate the prime factors of 3885 and 3892.
Prime Factorization of 3885
3 | 3885 |
5 | 1295 |
7 | 259 |
37 | 37 |
1 |
Prime factors of 3885 are 3, 5, 7,37. Prime factorization of 3885 in exponential form is:
3885 = 31×51×71×371
Prime Factorization of 3892
2 | 3892 |
2 | 1946 |
7 | 973 |
139 | 139 |
1 |
Prime factors of 3892 are 2, 7,139. Prime factorization of 3892 in exponential form is:
3892 = 22×71×1391
Now multiplying the highest exponent prime factors to calculate the LCM of 3885 and 3892.
LCM(3885,3892) = 22×31×51×71×371×1391
LCM(3885,3892) = 2160060
Factors of 3885
List of positive integer factors of 3885 that divides 3885 without a remainder.
1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885
Factors of 3892
List of positive integer factors of 3892 that divides 3892 without a remainder.
1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3885 and 3892, than apply into the LCM equation.
GCF(3885,3892) = 7
LCM(3885,3892) = ( 3885 × 3892) / 7
LCM(3885,3892) = 15120420 / 7
LCM(3885,3892) = 2160060
(i) The LCM of 3892 and 3885 is associative
LCM of 3885 and 3892 = LCM of 3892 and 3885
1. What is the LCM of 3885 and 3892?
Answer: LCM of 3885 and 3892 is 2160060.
2. What are the Factors of 3885?
Answer: Factors of 3885 are 1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885. There are 16 integers that are factors of 3885. The greatest factor of 3885 is 3885.
3. What are the Factors of 3892?
Answer: Factors of 3892 are 1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892. There are 12 integers that are factors of 3892. The greatest factor of 3892 is 3892.
4. How to Find the LCM of 3885 and 3892?
Answer:
Least Common Multiple of 3885 and 3892 = 2160060
Step 1: Find the prime factorization of 3885
3885 = 3 x 5 x 7 x 37
Step 2: Find the prime factorization of 3892
3892 = 2 x 2 x 7 x 139
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2160060 = 2 x 2 x 3 x 5 x 7 x 37 x 139
Step 4: Therefore, the least common multiple of 3885 and 3892 is 2160060.