Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3895 and 3900 the smallest integer that is 3038100 that is divisible by both numbers.
Least Common Multiple (LCM) of 3895 and 3900 is 3038100.
LCM(3895,3900) = 3038100
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 3895 and 3900. First we will calculate the prime factors of 3895 and 3900.
Prime Factorization of 3895
5 | 3895 |
19 | 779 |
41 | 41 |
1 |
Prime factors of 3895 are 5, 19,41. Prime factorization of 3895 in exponential form is:
3895 = 51×191×411
Prime Factorization of 3900
2 | 3900 |
2 | 1950 |
3 | 975 |
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 3900 are 2, 3, 5,13. Prime factorization of 3900 in exponential form is:
3900 = 22×31×52×131
Now multiplying the highest exponent prime factors to calculate the LCM of 3895 and 3900.
LCM(3895,3900) = 22×31×52×131×191×411
LCM(3895,3900) = 3038100
Factors of 3895
List of positive integer factors of 3895 that divides 3895 without a remainder.
1, 5, 19, 41, 95, 205, 779, 3895
Factors of 3900
List of positive integer factors of 3900 that divides 3900 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3895 and 3900, than apply into the LCM equation.
GCF(3895,3900) = 5
LCM(3895,3900) = ( 3895 × 3900) / 5
LCM(3895,3900) = 15190500 / 5
LCM(3895,3900) = 3038100
(i) The LCM of 3900 and 3895 is associative
LCM of 3895 and 3900 = LCM of 3900 and 3895
1. What is the LCM of 3895 and 3900?
Answer: LCM of 3895 and 3900 is 3038100.
2. What are the Factors of 3895?
Answer: Factors of 3895 are 1, 5, 19, 41, 95, 205, 779, 3895. There are 8 integers that are factors of 3895. The greatest factor of 3895 is 3895.
3. What are the Factors of 3900?
Answer: Factors of 3900 are 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900. There are 36 integers that are factors of 3900. The greatest factor of 3900 is 3900.
4. How to Find the LCM of 3895 and 3900?
Answer:
Least Common Multiple of 3895 and 3900 = 3038100
Step 1: Find the prime factorization of 3895
3895 = 5 x 19 x 41
Step 2: Find the prime factorization of 3900
3900 = 2 x 2 x 3 x 5 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3038100 = 2 x 2 x 3 x 5 x 5 x 13 x 19 x 41
Step 4: Therefore, the least common multiple of 3895 and 3900 is 3038100.