Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2160 and 2166 the smallest integer that is 779760 that is divisible by both numbers.
Least Common Multiple (LCM) of 2160 and 2166 is 779760.
LCM(2160,2166) = 779760
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 2160 and 2166. First we will calculate the prime factors of 2160 and 2166.
Prime Factorization of 2160
2 | 2160 |
2 | 1080 |
2 | 540 |
2 | 270 |
3 | 135 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 2160 are 2, 3,5. Prime factorization of 2160 in exponential form is:
2160 = 24×33×51
Prime Factorization of 2166
2 | 2166 |
3 | 1083 |
19 | 361 |
19 | 19 |
1 |
Prime factors of 2166 are 2, 3,19. Prime factorization of 2166 in exponential form is:
2166 = 21×31×192
Now multiplying the highest exponent prime factors to calculate the LCM of 2160 and 2166.
LCM(2160,2166) = 24×33×51×192
LCM(2160,2166) = 779760
Factors of 2160
List of positive integer factors of 2160 that divides 2160 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160
Factors of 2166
List of positive integer factors of 2166 that divides 2166 without a remainder.
1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2160 and 2166, than apply into the LCM equation.
GCF(2160,2166) = 6
LCM(2160,2166) = ( 2160 × 2166) / 6
LCM(2160,2166) = 4678560 / 6
LCM(2160,2166) = 779760
(i) The LCM of 2166 and 2160 is associative
LCM of 2160 and 2166 = LCM of 2166 and 2160
1. What is the LCM of 2160 and 2166?
Answer: LCM of 2160 and 2166 is 779760.
2. What are the Factors of 2160?
Answer: Factors of 2160 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160. There are 40 integers that are factors of 2160. The greatest factor of 2160 is 2160.
3. What are the Factors of 2166?
Answer: Factors of 2166 are 1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166. There are 12 integers that are factors of 2166. The greatest factor of 2166 is 2166.
4. How to Find the LCM of 2160 and 2166?
Answer:
Least Common Multiple of 2160 and 2166 = 779760
Step 1: Find the prime factorization of 2160
2160 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5
Step 2: Find the prime factorization of 2166
2166 = 2 x 3 x 19 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 779760 = 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 19 x 19
Step 4: Therefore, the least common multiple of 2160 and 2166 is 779760.