Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 743 and 745 the smallest integer that is 553535 that is divisible by both numbers.
Least Common Multiple (LCM) of 743 and 745 is 553535.
LCM(743,745) = 553535
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 743 and 745. First we will calculate the prime factors of 743 and 745.
Prime Factorization of 743
743 | 743 |
1 |
Prime factors of 743 are 743. Prime factorization of 743 in exponential form is:
743 = 7431
Prime Factorization of 745
5 | 745 |
149 | 149 |
1 |
Prime factors of 745 are 5,149. Prime factorization of 745 in exponential form is:
745 = 51×1491
Now multiplying the highest exponent prime factors to calculate the LCM of 743 and 745.
LCM(743,745) = 51×1491×7431
LCM(743,745) = 553535
Factors of 743
List of positive integer factors of 743 that divides 743 without a remainder.
1, 743
Factors of 745
List of positive integer factors of 745 that divides 745 without a remainder.
1, 5, 149, 745
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 743 and 745, than apply into the LCM equation.
GCF(743,745) = 1
LCM(743,745) = ( 743 × 745) / 1
LCM(743,745) = 553535 / 1
LCM(743,745) = 553535
(i) The LCM of 745 and 743 is associative
LCM of 743 and 745 = LCM of 745 and 743
1. What is the LCM of 743 and 745?
Answer: LCM of 743 and 745 is 553535.
2. 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.
3. What are the Factors of 745?
Answer: Factors of 745 are 1, 5, 149, 745. There are 4 integers that are factors of 745. The greatest factor of 745 is 745.
4. How to Find the LCM of 743 and 745?
Answer:
Least Common Multiple of 743 and 745 = 553535
Step 1: Find the prime factorization of 743
743 = 743
Step 2: Find the prime factorization of 745
745 = 5 x 149
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 553535 = 5 x 149 x 743
Step 4: Therefore, the least common multiple of 743 and 745 is 553535.