Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2155 and 2162 the smallest integer that is 4659110 that is divisible by both numbers.
Least Common Multiple (LCM) of 2155 and 2162 is 4659110.
LCM(2155,2162) = 4659110
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 2155 and 2162. First we will calculate the prime factors of 2155 and 2162.
Prime Factorization of 2155
5 | 2155 |
431 | 431 |
1 |
Prime factors of 2155 are 5,431. Prime factorization of 2155 in exponential form is:
2155 = 51×4311
Prime Factorization of 2162
2 | 2162 |
23 | 1081 |
47 | 47 |
1 |
Prime factors of 2162 are 2, 23,47. Prime factorization of 2162 in exponential form is:
2162 = 21×231×471
Now multiplying the highest exponent prime factors to calculate the LCM of 2155 and 2162.
LCM(2155,2162) = 21×51×231×471×4311
LCM(2155,2162) = 4659110
Factors of 2155
List of positive integer factors of 2155 that divides 2155 without a remainder.
1, 5, 431, 2155
Factors of 2162
List of positive integer factors of 2162 that divides 2162 without a remainder.
1, 2, 23, 46, 47, 94, 1081, 2162
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2155 and 2162, than apply into the LCM equation.
GCF(2155,2162) = 1
LCM(2155,2162) = ( 2155 × 2162) / 1
LCM(2155,2162) = 4659110 / 1
LCM(2155,2162) = 4659110
(i) The LCM of 2162 and 2155 is associative
LCM of 2155 and 2162 = LCM of 2162 and 2155
1. What is the LCM of 2155 and 2162?
Answer: LCM of 2155 and 2162 is 4659110.
2. What are the Factors of 2155?
Answer: Factors of 2155 are 1, 5, 431, 2155. There are 4 integers that are factors of 2155. The greatest factor of 2155 is 2155.
3. What are the Factors of 2162?
Answer: Factors of 2162 are 1, 2, 23, 46, 47, 94, 1081, 2162. There are 8 integers that are factors of 2162. The greatest factor of 2162 is 2162.
4. How to Find the LCM of 2155 and 2162?
Answer:
Least Common Multiple of 2155 and 2162 = 4659110
Step 1: Find the prime factorization of 2155
2155 = 5 x 431
Step 2: Find the prime factorization of 2162
2162 = 2 x 23 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4659110 = 2 x 5 x 23 x 47 x 431
Step 4: Therefore, the least common multiple of 2155 and 2162 is 4659110.