Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 730 and 731 the smallest integer that is 533630 that is divisible by both numbers.
Least Common Multiple (LCM) of 730 and 731 is 533630.
LCM(730,731) = 533630
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 730 and 731. First we will calculate the prime factors of 730 and 731.
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
Prime Factorization of 731
17 | 731 |
43 | 43 |
1 |
Prime factors of 731 are 17,43. Prime factorization of 731 in exponential form is:
731 = 171×431
Now multiplying the highest exponent prime factors to calculate the LCM of 730 and 731.
LCM(730,731) = 21×51×171×431×731
LCM(730,731) = 533630
Factors of 730
List of positive integer factors of 730 that divides 730 without a remainder.
1, 2, 5, 10, 73, 146, 365, 730
Factors of 731
List of positive integer factors of 731 that divides 731 without a remainder.
1, 17, 43, 731
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 730 and 731, than apply into the LCM equation.
GCF(730,731) = 1
LCM(730,731) = ( 730 × 731) / 1
LCM(730,731) = 533630 / 1
LCM(730,731) = 533630
(i) The LCM of 731 and 730 is associative
LCM of 730 and 731 = LCM of 731 and 730
1. What is the LCM of 730 and 731?
Answer: LCM of 730 and 731 is 533630.
2. 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.
3. What are the Factors of 731?
Answer: Factors of 731 are 1, 17, 43, 731. There are 4 integers that are factors of 731. The greatest factor of 731 is 731.
4. How to Find the LCM of 730 and 731?
Answer:
Least Common Multiple of 730 and 731 = 533630
Step 1: Find the prime factorization of 730
730 = 2 x 5 x 73
Step 2: Find the prime factorization of 731
731 = 17 x 43
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 533630 = 2 x 5 x 17 x 43 x 73
Step 4: Therefore, the least common multiple of 730 and 731 is 533630.