Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1578 and 1583 the smallest integer that is 2497974 that is divisible by both numbers.
Least Common Multiple (LCM) of 1578 and 1583 is 2497974.
LCM(1578,1583) = 2497974
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 1578 and 1583. First we will calculate the prime factors of 1578 and 1583.
Prime Factorization of 1578
2 | 1578 |
3 | 789 |
263 | 263 |
1 |
Prime factors of 1578 are 2, 3,263. Prime factorization of 1578 in exponential form is:
1578 = 21×31×2631
Prime Factorization of 1583
1583 | 1583 |
1 |
Prime factors of 1583 are 1583. Prime factorization of 1583 in exponential form is:
1583 = 15831
Now multiplying the highest exponent prime factors to calculate the LCM of 1578 and 1583.
LCM(1578,1583) = 21×31×2631×15831
LCM(1578,1583) = 2497974
Factors of 1578
List of positive integer factors of 1578 that divides 1578 without a remainder.
1, 2, 3, 6, 263, 526, 789, 1578
Factors of 1583
List of positive integer factors of 1583 that divides 1583 without a remainder.
1, 1583
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1578 and 1583, than apply into the LCM equation.
GCF(1578,1583) = 1
LCM(1578,1583) = ( 1578 × 1583) / 1
LCM(1578,1583) = 2497974 / 1
LCM(1578,1583) = 2497974
(i) The LCM of 1583 and 1578 is associative
LCM of 1578 and 1583 = LCM of 1583 and 1578
1. What is the LCM of 1578 and 1583?
Answer: LCM of 1578 and 1583 is 2497974.
2. What are the Factors of 1578?
Answer: Factors of 1578 are 1, 2, 3, 6, 263, 526, 789, 1578. There are 8 integers that are factors of 1578. The greatest factor of 1578 is 1578.
3. What are the Factors of 1583?
Answer: Factors of 1583 are 1, 1583. There are 2 integers that are factors of 1583. The greatest factor of 1583 is 1583.
4. How to Find the LCM of 1578 and 1583?
Answer:
Least Common Multiple of 1578 and 1583 = 2497974
Step 1: Find the prime factorization of 1578
1578 = 2 x 3 x 263
Step 2: Find the prime factorization of 1583
1583 = 1583
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2497974 = 2 x 3 x 263 x 1583
Step 4: Therefore, the least common multiple of 1578 and 1583 is 2497974.