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 730 the smallest integer that is 527790 that is divisible by both numbers.
Least Common Multiple (LCM) of 723 and 730 is 527790.
LCM(723,730) = 527790
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 730. First we will calculate the prime factors of 723 and 730.
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 730
2 | 730 |
5 | 365 |
73 | 73 |
1 |
Prime factors of 730 are 2, 5,73. Prime factorization of 730 in exponential form is:
730 = 21×51×731
Now multiplying the highest exponent prime factors to calculate the LCM of 723 and 730.
LCM(723,730) = 21×31×51×731×2411
LCM(723,730) = 527790
Factors of 723
List of positive integer factors of 723 that divides 723 without a remainder.
1, 3, 241, 723
Factors of 730
List of positive integer factors of 730 that divides 730 without a remainder.
1, 2, 5, 10, 73, 146, 365, 730
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 723 and 730, than apply into the LCM equation.
GCF(723,730) = 1
LCM(723,730) = ( 723 × 730) / 1
LCM(723,730) = 527790 / 1
LCM(723,730) = 527790
(i) The LCM of 730 and 723 is associative
LCM of 723 and 730 = LCM of 730 and 723
1. What is the LCM of 723 and 730?
Answer: LCM of 723 and 730 is 527790.
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 730?
Answer: Factors of 730 are 1, 2, 5, 10, 73, 146, 365, 730. There are 8 integers that are factors of 730. The greatest factor of 730 is 730.
4. How to Find the LCM of 723 and 730?
Answer:
Least Common Multiple of 723 and 730 = 527790
Step 1: Find the prime factorization of 723
723 = 3 x 241
Step 2: Find the prime factorization of 730
730 = 2 x 5 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 527790 = 2 x 3 x 5 x 73 x 241
Step 4: Therefore, the least common multiple of 723 and 730 is 527790.