Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2165 and 2170 the smallest integer that is 939610 that is divisible by both numbers.
Least Common Multiple (LCM) of 2165 and 2170 is 939610.
LCM(2165,2170) = 939610
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 2165 and 2170. First we will calculate the prime factors of 2165 and 2170.
Prime Factorization of 2165
5 | 2165 |
433 | 433 |
1 |
Prime factors of 2165 are 5,433. Prime factorization of 2165 in exponential form is:
2165 = 51×4331
Prime Factorization of 2170
2 | 2170 |
5 | 1085 |
7 | 217 |
31 | 31 |
1 |
Prime factors of 2170 are 2, 5, 7,31. Prime factorization of 2170 in exponential form is:
2170 = 21×51×71×311
Now multiplying the highest exponent prime factors to calculate the LCM of 2165 and 2170.
LCM(2165,2170) = 21×51×71×311×4331
LCM(2165,2170) = 939610
Factors of 2165
List of positive integer factors of 2165 that divides 2165 without a remainder.
1, 5, 433, 2165
Factors of 2170
List of positive integer factors of 2170 that divides 2170 without a remainder.
1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2165 and 2170, than apply into the LCM equation.
GCF(2165,2170) = 5
LCM(2165,2170) = ( 2165 × 2170) / 5
LCM(2165,2170) = 4698050 / 5
LCM(2165,2170) = 939610
(i) The LCM of 2170 and 2165 is associative
LCM of 2165 and 2170 = LCM of 2170 and 2165
1. What is the LCM of 2165 and 2170?
Answer: LCM of 2165 and 2170 is 939610.
2. What are the Factors of 2165?
Answer: Factors of 2165 are 1, 5, 433, 2165. There are 4 integers that are factors of 2165. The greatest factor of 2165 is 2165.
3. What are the Factors of 2170?
Answer: Factors of 2170 are 1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170. There are 16 integers that are factors of 2170. The greatest factor of 2170 is 2170.
4. How to Find the LCM of 2165 and 2170?
Answer:
Least Common Multiple of 2165 and 2170 = 939610
Step 1: Find the prime factorization of 2165
2165 = 5 x 433
Step 2: Find the prime factorization of 2170
2170 = 2 x 5 x 7 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 939610 = 2 x 5 x 7 x 31 x 433
Step 4: Therefore, the least common multiple of 2165 and 2170 is 939610.