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 2046 the smallest integer that is 695640 that is divisible by both numbers.
Least Common Multiple (LCM) of 2040 and 2046 is 695640.
LCM(2040,2046) = 695640
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 2046. First we will calculate the prime factors of 2040 and 2046.
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 2046
2 | 2046 |
3 | 1023 |
11 | 341 |
31 | 31 |
1 |
Prime factors of 2046 are 2, 3, 11,31. Prime factorization of 2046 in exponential form is:
2046 = 21×31×111×311
Now multiplying the highest exponent prime factors to calculate the LCM of 2040 and 2046.
LCM(2040,2046) = 23×31×51×111×171×311
LCM(2040,2046) = 695640
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 2046
List of positive integer factors of 2046 that divides 2046 without a remainder.
1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2040 and 2046, than apply into the LCM equation.
GCF(2040,2046) = 6
LCM(2040,2046) = ( 2040 × 2046) / 6
LCM(2040,2046) = 4173840 / 6
LCM(2040,2046) = 695640
(i) The LCM of 2046 and 2040 is associative
LCM of 2040 and 2046 = LCM of 2046 and 2040
1. What is the LCM of 2040 and 2046?
Answer: LCM of 2040 and 2046 is 695640.
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 2046?
Answer: Factors of 2046 are 1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 186, 341, 682, 1023, 2046. There are 16 integers that are factors of 2046. The greatest factor of 2046 is 2046.
4. How to Find the LCM of 2040 and 2046?
Answer:
Least Common Multiple of 2040 and 2046 = 695640
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 2046
2046 = 2 x 3 x 11 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 695640 = 2 x 2 x 2 x 3 x 5 x 11 x 17 x 31
Step 4: Therefore, the least common multiple of 2040 and 2046 is 695640.