Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 741 and 743 the smallest integer that is 550563 that is divisible by both numbers.
Least Common Multiple (LCM) of 741 and 743 is 550563.
LCM(741,743) = 550563
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 741 and 743. First we will calculate the prime factors of 741 and 743.
Prime Factorization of 741
3 | 741 |
13 | 247 |
19 | 19 |
1 |
Prime factors of 741 are 3, 13,19. Prime factorization of 741 in exponential form is:
741 = 31×131×191
Prime Factorization of 743
743 | 743 |
1 |
Prime factors of 743 are 743. Prime factorization of 743 in exponential form is:
743 = 7431
Now multiplying the highest exponent prime factors to calculate the LCM of 741 and 743.
LCM(741,743) = 31×131×191×7431
LCM(741,743) = 550563
Factors of 741
List of positive integer factors of 741 that divides 741 without a remainder.
1, 3, 13, 19, 39, 57, 247, 741
Factors of 743
List of positive integer factors of 743 that divides 743 without a remainder.
1, 743
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 741 and 743, than apply into the LCM equation.
GCF(741,743) = 1
LCM(741,743) = ( 741 × 743) / 1
LCM(741,743) = 550563 / 1
LCM(741,743) = 550563
(i) The LCM of 743 and 741 is associative
LCM of 741 and 743 = LCM of 743 and 741
1. What is the LCM of 741 and 743?
Answer: LCM of 741 and 743 is 550563.
2. What are the Factors of 741?
Answer: Factors of 741 are 1, 3, 13, 19, 39, 57, 247, 741. There are 8 integers that are factors of 741. The greatest factor of 741 is 741.
3. What are the Factors of 743?
Answer: Factors of 743 are 1, 743. There are 2 integers that are factors of 743. The greatest factor of 743 is 743.
4. How to Find the LCM of 741 and 743?
Answer:
Least Common Multiple of 741 and 743 = 550563
Step 1: Find the prime factorization of 741
741 = 3 x 13 x 19
Step 2: Find the prime factorization of 743
743 = 743
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 550563 = 3 x 13 x 19 x 743
Step 4: Therefore, the least common multiple of 741 and 743 is 550563.