Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2156 and 2163 the smallest integer that is 666204 that is divisible by both numbers.
Least Common Multiple (LCM) of 2156 and 2163 is 666204.
LCM(2156,2163) = 666204
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 2156 and 2163. First we will calculate the prime factors of 2156 and 2163.
Prime Factorization of 2156
2 | 2156 |
2 | 1078 |
7 | 539 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 2156 are 2, 7,11. Prime factorization of 2156 in exponential form is:
2156 = 22×72×111
Prime Factorization of 2163
3 | 2163 |
7 | 721 |
103 | 103 |
1 |
Prime factors of 2163 are 3, 7,103. Prime factorization of 2163 in exponential form is:
2163 = 31×71×1031
Now multiplying the highest exponent prime factors to calculate the LCM of 2156 and 2163.
LCM(2156,2163) = 22×31×72×111×1031
LCM(2156,2163) = 666204
Factors of 2156
List of positive integer factors of 2156 that divides 2156 without a remainder.
1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156
Factors of 2163
List of positive integer factors of 2163 that divides 2163 without a remainder.
1, 3, 7, 21, 103, 309, 721, 2163
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2156 and 2163, than apply into the LCM equation.
GCF(2156,2163) = 7
LCM(2156,2163) = ( 2156 × 2163) / 7
LCM(2156,2163) = 4663428 / 7
LCM(2156,2163) = 666204
(i) The LCM of 2163 and 2156 is associative
LCM of 2156 and 2163 = LCM of 2163 and 2156
1. What is the LCM of 2156 and 2163?
Answer: LCM of 2156 and 2163 is 666204.
2. What are the Factors of 2156?
Answer: Factors of 2156 are 1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156. There are 18 integers that are factors of 2156. The greatest factor of 2156 is 2156.
3. What are the Factors of 2163?
Answer: Factors of 2163 are 1, 3, 7, 21, 103, 309, 721, 2163. There are 8 integers that are factors of 2163. The greatest factor of 2163 is 2163.
4. How to Find the LCM of 2156 and 2163?
Answer:
Least Common Multiple of 2156 and 2163 = 666204
Step 1: Find the prime factorization of 2156
2156 = 2 x 2 x 7 x 7 x 11
Step 2: Find the prime factorization of 2163
2163 = 3 x 7 x 103
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 666204 = 2 x 2 x 3 x 7 x 7 x 11 x 103
Step 4: Therefore, the least common multiple of 2156 and 2163 is 666204.