Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1543 and 1549 the smallest integer that is 2390107 that is divisible by both numbers.
Least Common Multiple (LCM) of 1543 and 1549 is 2390107.
LCM(1543,1549) = 2390107
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 1543 and 1549. First we will calculate the prime factors of 1543 and 1549.
Prime Factorization of 1543
1543 | 1543 |
1 |
Prime factors of 1543 are 1543. Prime factorization of 1543 in exponential form is:
1543 = 15431
Prime Factorization of 1549
1549 | 1549 |
1 |
Prime factors of 1549 are 1549. Prime factorization of 1549 in exponential form is:
1549 = 15491
Now multiplying the highest exponent prime factors to calculate the LCM of 1543 and 1549.
LCM(1543,1549) = 15431×15491
LCM(1543,1549) = 2390107
Factors of 1543
List of positive integer factors of 1543 that divides 1543 without a remainder.
1, 1543
Factors of 1549
List of positive integer factors of 1549 that divides 1549 without a remainder.
1, 1549
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1543 and 1549, than apply into the LCM equation.
GCF(1543,1549) = 1
LCM(1543,1549) = ( 1543 × 1549) / 1
LCM(1543,1549) = 2390107 / 1
LCM(1543,1549) = 2390107
(i) The LCM of 1549 and 1543 is associative
LCM of 1543 and 1549 = LCM of 1549 and 1543
1. What is the LCM of 1543 and 1549?
Answer: LCM of 1543 and 1549 is 2390107.
2. What are the Factors of 1543?
Answer: Factors of 1543 are 1, 1543. There are 2 integers that are factors of 1543. The greatest factor of 1543 is 1543.
3. What are the Factors of 1549?
Answer: Factors of 1549 are 1, 1549. There are 2 integers that are factors of 1549. The greatest factor of 1549 is 1549.
4. How to Find the LCM of 1543 and 1549?
Answer:
Least Common Multiple of 1543 and 1549 = 2390107
Step 1: Find the prime factorization of 1543
1543 = 1543
Step 2: Find the prime factorization of 1549
1549 = 1549
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2390107 = 1543 x 1549
Step 4: Therefore, the least common multiple of 1543 and 1549 is 2390107.