Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 723 and 724 the smallest integer that is 523452 that is divisible by both numbers.
Least Common Multiple (LCM) of 723 and 724 is 523452.
LCM(723,724) = 523452
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 723 and 724. First we will calculate the prime factors of 723 and 724.
Prime Factorization of 723
3 | 723 |
241 | 241 |
1 |
Prime factors of 723 are 3,241. Prime factorization of 723 in exponential form is:
723 = 31×2411
Prime Factorization of 724
2 | 724 |
2 | 362 |
181 | 181 |
1 |
Prime factors of 724 are 2,181. Prime factorization of 724 in exponential form is:
724 = 22×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 723 and 724.
LCM(723,724) = 22×31×1811×2411
LCM(723,724) = 523452
Factors of 723
List of positive integer factors of 723 that divides 723 without a remainder.
1, 3, 241, 723
Factors of 724
List of positive integer factors of 724 that divides 724 without a remainder.
1, 2, 4, 181, 362, 724
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 723 and 724, than apply into the LCM equation.
GCF(723,724) = 1
LCM(723,724) = ( 723 × 724) / 1
LCM(723,724) = 523452 / 1
LCM(723,724) = 523452
(i) The LCM of 724 and 723 is associative
LCM of 723 and 724 = LCM of 724 and 723
1. What is the LCM of 723 and 724?
Answer: LCM of 723 and 724 is 523452.
2. What are the Factors of 723?
Answer: Factors of 723 are 1, 3, 241, 723. There are 4 integers that are factors of 723. The greatest factor of 723 is 723.
3. What are the Factors of 724?
Answer: Factors of 724 are 1, 2, 4, 181, 362, 724. There are 6 integers that are factors of 724. The greatest factor of 724 is 724.
4. How to Find the LCM of 723 and 724?
Answer:
Least Common Multiple of 723 and 724 = 523452
Step 1: Find the prime factorization of 723
723 = 3 x 241
Step 2: Find the prime factorization of 724
724 = 2 x 2 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 523452 = 2 x 2 x 3 x 181 x 241
Step 4: Therefore, the least common multiple of 723 and 724 is 523452.