Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2016 and 2020 the smallest integer that is 1018080 that is divisible by both numbers.
Least Common Multiple (LCM) of 2016 and 2020 is 1018080.
LCM(2016,2020) = 1018080
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 2016 and 2020. First we will calculate the prime factors of 2016 and 2020.
Prime Factorization of 2016
2 | 2016 |
2 | 1008 |
2 | 504 |
2 | 252 |
2 | 126 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 2016 are 2, 3,7. Prime factorization of 2016 in exponential form is:
2016 = 25×32×71
Prime Factorization of 2020
2 | 2020 |
2 | 1010 |
5 | 505 |
101 | 101 |
1 |
Prime factors of 2020 are 2, 5,101. Prime factorization of 2020 in exponential form is:
2020 = 22×51×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 2016 and 2020.
LCM(2016,2020) = 25×32×51×71×1011
LCM(2016,2020) = 1018080
Factors of 2016
List of positive integer factors of 2016 that divides 2016 without a remainder.
1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016
Factors of 2020
List of positive integer factors of 2020 that divides 2020 without a remainder.
1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2016 and 2020, than apply into the LCM equation.
GCF(2016,2020) = 4
LCM(2016,2020) = ( 2016 × 2020) / 4
LCM(2016,2020) = 4072320 / 4
LCM(2016,2020) = 1018080
(i) The LCM of 2020 and 2016 is associative
LCM of 2016 and 2020 = LCM of 2020 and 2016
1. What is the LCM of 2016 and 2020?
Answer: LCM of 2016 and 2020 is 1018080.
2. What are the Factors of 2016?
Answer: Factors of 2016 are 1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016. There are 36 integers that are factors of 2016. The greatest factor of 2016 is 2016.
3. What are the Factors of 2020?
Answer: Factors of 2020 are 1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020. There are 12 integers that are factors of 2020. The greatest factor of 2020 is 2020.
4. How to Find the LCM of 2016 and 2020?
Answer:
Least Common Multiple of 2016 and 2020 = 1018080
Step 1: Find the prime factorization of 2016
2016 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7
Step 2: Find the prime factorization of 2020
2020 = 2 x 2 x 5 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1018080 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 7 x 101
Step 4: Therefore, the least common multiple of 2016 and 2020 is 1018080.