Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2040 and 2045 the smallest integer that is 834360 that is divisible by both numbers.
Least Common Multiple (LCM) of 2040 and 2045 is 834360.
LCM(2040,2045) = 834360
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 2040 and 2045. First we will calculate the prime factors of 2040 and 2045.
Prime Factorization of 2040
2 | 2040 |
2 | 1020 |
2 | 510 |
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 2040 are 2, 3, 5,17. Prime factorization of 2040 in exponential form is:
2040 = 23×31×51×171
Prime Factorization of 2045
5 | 2045 |
409 | 409 |
1 |
Prime factors of 2045 are 5,409. Prime factorization of 2045 in exponential form is:
2045 = 51×4091
Now multiplying the highest exponent prime factors to calculate the LCM of 2040 and 2045.
LCM(2040,2045) = 23×31×51×171×4091
LCM(2040,2045) = 834360
Factors of 2040
List of positive integer factors of 2040 that divides 2040 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040
Factors of 2045
List of positive integer factors of 2045 that divides 2045 without a remainder.
1, 5, 409, 2045
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2040 and 2045, than apply into the LCM equation.
GCF(2040,2045) = 5
LCM(2040,2045) = ( 2040 × 2045) / 5
LCM(2040,2045) = 4171800 / 5
LCM(2040,2045) = 834360
(i) The LCM of 2045 and 2040 is associative
LCM of 2040 and 2045 = LCM of 2045 and 2040
1. What is the LCM of 2040 and 2045?
Answer: LCM of 2040 and 2045 is 834360.
2. What are the Factors of 2040?
Answer: Factors of 2040 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040. There are 32 integers that are factors of 2040. The greatest factor of 2040 is 2040.
3. What are the Factors of 2045?
Answer: Factors of 2045 are 1, 5, 409, 2045. There are 4 integers that are factors of 2045. The greatest factor of 2045 is 2045.
4. How to Find the LCM of 2040 and 2045?
Answer:
Least Common Multiple of 2040 and 2045 = 834360
Step 1: Find the prime factorization of 2040
2040 = 2 x 2 x 2 x 3 x 5 x 17
Step 2: Find the prime factorization of 2045
2045 = 5 x 409
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 834360 = 2 x 2 x 2 x 3 x 5 x 17 x 409
Step 4: Therefore, the least common multiple of 2040 and 2045 is 834360.