Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1585 and 1590 the smallest integer that is 504030 that is divisible by both numbers.
Least Common Multiple (LCM) of 1585 and 1590 is 504030.
LCM(1585,1590) = 504030
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 1585 and 1590. First we will calculate the prime factors of 1585 and 1590.
Prime Factorization of 1585
5 | 1585 |
317 | 317 |
1 |
Prime factors of 1585 are 5,317. Prime factorization of 1585 in exponential form is:
1585 = 51×3171
Prime Factorization of 1590
2 | 1590 |
3 | 795 |
5 | 265 |
53 | 53 |
1 |
Prime factors of 1590 are 2, 3, 5,53. Prime factorization of 1590 in exponential form is:
1590 = 21×31×51×531
Now multiplying the highest exponent prime factors to calculate the LCM of 1585 and 1590.
LCM(1585,1590) = 21×31×51×531×3171
LCM(1585,1590) = 504030
Factors of 1585
List of positive integer factors of 1585 that divides 1585 without a remainder.
1, 5, 317, 1585
Factors of 1590
List of positive integer factors of 1590 that divides 1590 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1585 and 1590, than apply into the LCM equation.
GCF(1585,1590) = 5
LCM(1585,1590) = ( 1585 × 1590) / 5
LCM(1585,1590) = 2520150 / 5
LCM(1585,1590) = 504030
(i) The LCM of 1590 and 1585 is associative
LCM of 1585 and 1590 = LCM of 1590 and 1585
1. What is the LCM of 1585 and 1590?
Answer: LCM of 1585 and 1590 is 504030.
2. What are the Factors of 1585?
Answer: Factors of 1585 are 1, 5, 317, 1585. There are 4 integers that are factors of 1585. The greatest factor of 1585 is 1585.
3. What are the Factors of 1590?
Answer: Factors of 1590 are 1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590. There are 16 integers that are factors of 1590. The greatest factor of 1590 is 1590.
4. How to Find the LCM of 1585 and 1590?
Answer:
Least Common Multiple of 1585 and 1590 = 504030
Step 1: Find the prime factorization of 1585
1585 = 5 x 317
Step 2: Find the prime factorization of 1590
1590 = 2 x 3 x 5 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 504030 = 2 x 3 x 5 x 53 x 317
Step 4: Therefore, the least common multiple of 1585 and 1590 is 504030.