Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2070 and 2078 the smallest integer that is 2150730 that is divisible by both numbers.
Least Common Multiple (LCM) of 2070 and 2078 is 2150730.
LCM(2070,2078) = 2150730
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 2070 and 2078. First we will calculate the prime factors of 2070 and 2078.
Prime Factorization of 2070
2 | 2070 |
3 | 1035 |
3 | 345 |
5 | 115 |
23 | 23 |
1 |
Prime factors of 2070 are 2, 3, 5,23. Prime factorization of 2070 in exponential form is:
2070 = 21×32×51×231
Prime Factorization of 2078
2 | 2078 |
1039 | 1039 |
1 |
Prime factors of 2078 are 2,1039. Prime factorization of 2078 in exponential form is:
2078 = 21×10391
Now multiplying the highest exponent prime factors to calculate the LCM of 2070 and 2078.
LCM(2070,2078) = 21×32×51×231×10391
LCM(2070,2078) = 2150730
Factors of 2070
List of positive integer factors of 2070 that divides 2070 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070
Factors of 2078
List of positive integer factors of 2078 that divides 2078 without a remainder.
1, 2, 1039, 2078
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2070 and 2078, than apply into the LCM equation.
GCF(2070,2078) = 2
LCM(2070,2078) = ( 2070 × 2078) / 2
LCM(2070,2078) = 4301460 / 2
LCM(2070,2078) = 2150730
(i) The LCM of 2078 and 2070 is associative
LCM of 2070 and 2078 = LCM of 2078 and 2070
1. What is the LCM of 2070 and 2078?
Answer: LCM of 2070 and 2078 is 2150730.
2. What are the Factors of 2070?
Answer: Factors of 2070 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070. There are 24 integers that are factors of 2070. The greatest factor of 2070 is 2070.
3. What are the Factors of 2078?
Answer: Factors of 2078 are 1, 2, 1039, 2078. There are 4 integers that are factors of 2078. The greatest factor of 2078 is 2078.
4. How to Find the LCM of 2070 and 2078?
Answer:
Least Common Multiple of 2070 and 2078 = 2150730
Step 1: Find the prime factorization of 2070
2070 = 2 x 3 x 3 x 5 x 23
Step 2: Find the prime factorization of 2078
2078 = 2 x 1039
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2150730 = 2 x 3 x 3 x 5 x 23 x 1039
Step 4: Therefore, the least common multiple of 2070 and 2078 is 2150730.