Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2580 and 2587 the smallest integer that is 6674460 that is divisible by both numbers.
Least Common Multiple (LCM) of 2580 and 2587 is 6674460.
LCM(2580,2587) = 6674460
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 2580 and 2587. First we will calculate the prime factors of 2580 and 2587.
Prime Factorization of 2580
2 | 2580 |
2 | 1290 |
3 | 645 |
5 | 215 |
43 | 43 |
1 |
Prime factors of 2580 are 2, 3, 5,43. Prime factorization of 2580 in exponential form is:
2580 = 22×31×51×431
Prime Factorization of 2587
13 | 2587 |
199 | 199 |
1 |
Prime factors of 2587 are 13,199. Prime factorization of 2587 in exponential form is:
2587 = 131×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 2580 and 2587.
LCM(2580,2587) = 22×31×51×131×431×1991
LCM(2580,2587) = 6674460
Factors of 2580
List of positive integer factors of 2580 that divides 2580 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580
Factors of 2587
List of positive integer factors of 2587 that divides 2587 without a remainder.
1, 13, 199, 2587
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2580 and 2587, than apply into the LCM equation.
GCF(2580,2587) = 1
LCM(2580,2587) = ( 2580 × 2587) / 1
LCM(2580,2587) = 6674460 / 1
LCM(2580,2587) = 6674460
(i) The LCM of 2587 and 2580 is associative
LCM of 2580 and 2587 = LCM of 2587 and 2580
1. What is the LCM of 2580 and 2587?
Answer: LCM of 2580 and 2587 is 6674460.
2. What are the Factors of 2580?
Answer: Factors of 2580 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580. There are 24 integers that are factors of 2580. The greatest factor of 2580 is 2580.
3. What are the Factors of 2587?
Answer: Factors of 2587 are 1, 13, 199, 2587. There are 4 integers that are factors of 2587. The greatest factor of 2587 is 2587.
4. How to Find the LCM of 2580 and 2587?
Answer:
Least Common Multiple of 2580 and 2587 = 6674460
Step 1: Find the prime factorization of 2580
2580 = 2 x 2 x 3 x 5 x 43
Step 2: Find the prime factorization of 2587
2587 = 13 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6674460 = 2 x 2 x 3 x 5 x 13 x 43 x 199
Step 4: Therefore, the least common multiple of 2580 and 2587 is 6674460.