Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1558 and 1563 the smallest integer that is 2435154 that is divisible by both numbers.
Least Common Multiple (LCM) of 1558 and 1563 is 2435154.
LCM(1558,1563) = 2435154
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 1558 and 1563. First we will calculate the prime factors of 1558 and 1563.
Prime Factorization of 1558
2 | 1558 |
19 | 779 |
41 | 41 |
1 |
Prime factors of 1558 are 2, 19,41. Prime factorization of 1558 in exponential form is:
1558 = 21×191×411
Prime Factorization of 1563
3 | 1563 |
521 | 521 |
1 |
Prime factors of 1563 are 3,521. Prime factorization of 1563 in exponential form is:
1563 = 31×5211
Now multiplying the highest exponent prime factors to calculate the LCM of 1558 and 1563.
LCM(1558,1563) = 21×31×191×411×5211
LCM(1558,1563) = 2435154
Factors of 1558
List of positive integer factors of 1558 that divides 1558 without a remainder.
1, 2, 19, 38, 41, 82, 779, 1558
Factors of 1563
List of positive integer factors of 1563 that divides 1563 without a remainder.
1, 3, 521, 1563
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1558 and 1563, than apply into the LCM equation.
GCF(1558,1563) = 1
LCM(1558,1563) = ( 1558 × 1563) / 1
LCM(1558,1563) = 2435154 / 1
LCM(1558,1563) = 2435154
(i) The LCM of 1563 and 1558 is associative
LCM of 1558 and 1563 = LCM of 1563 and 1558
1. What is the LCM of 1558 and 1563?
Answer: LCM of 1558 and 1563 is 2435154.
2. What are the Factors of 1558?
Answer: Factors of 1558 are 1, 2, 19, 38, 41, 82, 779, 1558. There are 8 integers that are factors of 1558. The greatest factor of 1558 is 1558.
3. What are the Factors of 1563?
Answer: Factors of 1563 are 1, 3, 521, 1563. There are 4 integers that are factors of 1563. The greatest factor of 1563 is 1563.
4. How to Find the LCM of 1558 and 1563?
Answer:
Least Common Multiple of 1558 and 1563 = 2435154
Step 1: Find the prime factorization of 1558
1558 = 2 x 19 x 41
Step 2: Find the prime factorization of 1563
1563 = 3 x 521
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2435154 = 2 x 3 x 19 x 41 x 521
Step 4: Therefore, the least common multiple of 1558 and 1563 is 2435154.