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 2164 the smallest integer that is 1166396 that is divisible by both numbers.
Least Common Multiple (LCM) of 2156 and 2164 is 1166396.
LCM(2156,2164) = 1166396
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 2164. First we will calculate the prime factors of 2156 and 2164.
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 2164
2 | 2164 |
2 | 1082 |
541 | 541 |
1 |
Prime factors of 2164 are 2,541. Prime factorization of 2164 in exponential form is:
2164 = 22×5411
Now multiplying the highest exponent prime factors to calculate the LCM of 2156 and 2164.
LCM(2156,2164) = 22×72×111×5411
LCM(2156,2164) = 1166396
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 2164
List of positive integer factors of 2164 that divides 2164 without a remainder.
1, 2, 4, 541, 1082, 2164
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2156 and 2164, than apply into the LCM equation.
GCF(2156,2164) = 4
LCM(2156,2164) = ( 2156 × 2164) / 4
LCM(2156,2164) = 4665584 / 4
LCM(2156,2164) = 1166396
(i) The LCM of 2164 and 2156 is associative
LCM of 2156 and 2164 = LCM of 2164 and 2156
1. What is the LCM of 2156 and 2164?
Answer: LCM of 2156 and 2164 is 1166396.
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 2164?
Answer: Factors of 2164 are 1, 2, 4, 541, 1082, 2164. There are 6 integers that are factors of 2164. The greatest factor of 2164 is 2164.
4. How to Find the LCM of 2156 and 2164?
Answer:
Least Common Multiple of 2156 and 2164 = 1166396
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 2164
2164 = 2 x 2 x 541
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1166396 = 2 x 2 x 7 x 7 x 11 x 541
Step 4: Therefore, the least common multiple of 2156 and 2164 is 1166396.