Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4155 and 4161 the smallest integer that is 5762985 that is divisible by both numbers.
Least Common Multiple (LCM) of 4155 and 4161 is 5762985.
LCM(4155,4161) = 5762985
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 4155 and 4161. First we will calculate the prime factors of 4155 and 4161.
Prime Factorization of 4155
3 | 4155 |
5 | 1385 |
277 | 277 |
1 |
Prime factors of 4155 are 3, 5,277. Prime factorization of 4155 in exponential form is:
4155 = 31×51×2771
Prime Factorization of 4161
3 | 4161 |
19 | 1387 |
73 | 73 |
1 |
Prime factors of 4161 are 3, 19,73. Prime factorization of 4161 in exponential form is:
4161 = 31×191×731
Now multiplying the highest exponent prime factors to calculate the LCM of 4155 and 4161.
LCM(4155,4161) = 31×51×191×731×2771
LCM(4155,4161) = 5762985
Factors of 4155
List of positive integer factors of 4155 that divides 4155 without a remainder.
1, 3, 5, 15, 277, 831, 1385, 4155
Factors of 4161
List of positive integer factors of 4161 that divides 4161 without a remainder.
1, 3, 19, 57, 73, 219, 1387, 4161
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4155 and 4161, than apply into the LCM equation.
GCF(4155,4161) = 3
LCM(4155,4161) = ( 4155 × 4161) / 3
LCM(4155,4161) = 17288955 / 3
LCM(4155,4161) = 5762985
(i) The LCM of 4161 and 4155 is associative
LCM of 4155 and 4161 = LCM of 4161 and 4155
1. What is the LCM of 4155 and 4161?
Answer: LCM of 4155 and 4161 is 5762985.
2. What are the Factors of 4155?
Answer: Factors of 4155 are 1, 3, 5, 15, 277, 831, 1385, 4155. There are 8 integers that are factors of 4155. The greatest factor of 4155 is 4155.
3. What are the Factors of 4161?
Answer: Factors of 4161 are 1, 3, 19, 57, 73, 219, 1387, 4161. There are 8 integers that are factors of 4161. The greatest factor of 4161 is 4161.
4. How to Find the LCM of 4155 and 4161?
Answer:
Least Common Multiple of 4155 and 4161 = 5762985
Step 1: Find the prime factorization of 4155
4155 = 3 x 5 x 277
Step 2: Find the prime factorization of 4161
4161 = 3 x 19 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 5762985 = 3 x 5 x 19 x 73 x 277
Step 4: Therefore, the least common multiple of 4155 and 4161 is 5762985.