Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 12820 and 12827 the smallest integer that is 164442140 that is divisible by both numbers.
Least Common Multiple (LCM) of 12820 and 12827 is 164442140.
LCM(12820,12827) = 164442140
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 12820 and 12827. First we will calculate the prime factors of 12820 and 12827.
Prime Factorization of 12820
2 | 12820 |
2 | 6410 |
5 | 3205 |
641 | 641 |
1 |
Prime factors of 12820 are 2, 5,641. Prime factorization of 12820 in exponential form is:
12820 = 22×51×6411
Prime Factorization of 12827
101 | 12827 |
127 | 127 |
1 |
Prime factors of 12827 are 101,127. Prime factorization of 12827 in exponential form is:
12827 = 1011×1271
Now multiplying the highest exponent prime factors to calculate the LCM of 12820 and 12827.
LCM(12820,12827) = 22×51×1011×1271×6411
LCM(12820,12827) = 164442140
Factors of 12820
List of positive integer factors of 12820 that divides 12820 without a remainder.
1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820
Factors of 12827
List of positive integer factors of 12827 that divides 12827 without a remainder.
1, 101, 127, 12827
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12820 and 12827, than apply into the LCM equation.
GCF(12820,12827) = 1
LCM(12820,12827) = ( 12820 × 12827) / 1
LCM(12820,12827) = 164442140 / 1
LCM(12820,12827) = 164442140
(i) The LCM of 12827 and 12820 is associative
LCM of 12820 and 12827 = LCM of 12827 and 12820
1. What is the LCM of 12820 and 12827?
Answer: LCM of 12820 and 12827 is 164442140.
2. What are the Factors of 12820?
Answer: Factors of 12820 are 1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820. There are 12 integers that are factors of 12820. The greatest factor of 12820 is 12820.
3. What are the Factors of 12827?
Answer: Factors of 12827 are 1, 101, 127, 12827. There are 4 integers that are factors of 12827. The greatest factor of 12827 is 12827.
4. How to Find the LCM of 12820 and 12827?
Answer:
Least Common Multiple of 12820 and 12827 = 164442140
Step 1: Find the prime factorization of 12820
12820 = 2 x 2 x 5 x 641
Step 2: Find the prime factorization of 12827
12827 = 101 x 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 164442140 = 2 x 2 x 5 x 101 x 127 x 641
Step 4: Therefore, the least common multiple of 12820 and 12827 is 164442140.