Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1563 and 1571 the smallest integer that is 2455473 that is divisible by both numbers.
Least Common Multiple (LCM) of 1563 and 1571 is 2455473.
LCM(1563,1571) = 2455473
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 1563 and 1571. First we will calculate the prime factors of 1563 and 1571.
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
Prime Factorization of 1571
1571 | 1571 |
1 |
Prime factors of 1571 are 1571. Prime factorization of 1571 in exponential form is:
1571 = 15711
Now multiplying the highest exponent prime factors to calculate the LCM of 1563 and 1571.
LCM(1563,1571) = 31×5211×15711
LCM(1563,1571) = 2455473
Factors of 1563
List of positive integer factors of 1563 that divides 1563 without a remainder.
1, 3, 521, 1563
Factors of 1571
List of positive integer factors of 1571 that divides 1571 without a remainder.
1, 1571
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1563 and 1571, than apply into the LCM equation.
GCF(1563,1571) = 1
LCM(1563,1571) = ( 1563 × 1571) / 1
LCM(1563,1571) = 2455473 / 1
LCM(1563,1571) = 2455473
(i) The LCM of 1571 and 1563 is associative
LCM of 1563 and 1571 = LCM of 1571 and 1563
1. What is the LCM of 1563 and 1571?
Answer: LCM of 1563 and 1571 is 2455473.
2. 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.
3. What are the Factors of 1571?
Answer: Factors of 1571 are 1, 1571. There are 2 integers that are factors of 1571. The greatest factor of 1571 is 1571.
4. How to Find the LCM of 1563 and 1571?
Answer:
Least Common Multiple of 1563 and 1571 = 2455473
Step 1: Find the prime factorization of 1563
1563 = 3 x 521
Step 2: Find the prime factorization of 1571
1571 = 1571
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2455473 = 3 x 521 x 1571
Step 4: Therefore, the least common multiple of 1563 and 1571 is 2455473.