Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 724 and 732 the smallest integer that is 132492 that is divisible by both numbers.
Least Common Multiple (LCM) of 724 and 732 is 132492.
LCM(724,732) = 132492
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 724 and 732. First we will calculate the prime factors of 724 and 732.
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
Prime Factorization of 732
2 | 732 |
2 | 366 |
3 | 183 |
61 | 61 |
1 |
Prime factors of 732 are 2, 3,61. Prime factorization of 732 in exponential form is:
732 = 22×31×611
Now multiplying the highest exponent prime factors to calculate the LCM of 724 and 732.
LCM(724,732) = 22×31×611×1811
LCM(724,732) = 132492
Factors of 724
List of positive integer factors of 724 that divides 724 without a remainder.
1, 2, 4, 181, 362, 724
Factors of 732
List of positive integer factors of 732 that divides 732 without a remainder.
1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 724 and 732, than apply into the LCM equation.
GCF(724,732) = 4
LCM(724,732) = ( 724 × 732) / 4
LCM(724,732) = 529968 / 4
LCM(724,732) = 132492
(i) The LCM of 732 and 724 is associative
LCM of 724 and 732 = LCM of 732 and 724
1. What is the LCM of 724 and 732?
Answer: LCM of 724 and 732 is 132492.
2. 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.
3. What are the Factors of 732?
Answer: Factors of 732 are 1, 2, 3, 4, 6, 12, 61, 122, 183, 244, 366, 732. There are 12 integers that are factors of 732. The greatest factor of 732 is 732.
4. How to Find the LCM of 724 and 732?
Answer:
Least Common Multiple of 724 and 732 = 132492
Step 1: Find the prime factorization of 724
724 = 2 x 2 x 181
Step 2: Find the prime factorization of 732
732 = 2 x 2 x 3 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 132492 = 2 x 2 x 3 x 61 x 181
Step 4: Therefore, the least common multiple of 724 and 732 is 132492.