Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 727 and 731 the smallest integer that is 531437 that is divisible by both numbers.
Least Common Multiple (LCM) of 727 and 731 is 531437.
LCM(727,731) = 531437
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 727 and 731. First we will calculate the prime factors of 727 and 731.
Prime Factorization of 727
727 | 727 |
1 |
Prime factors of 727 are 727. Prime factorization of 727 in exponential form is:
727 = 7271
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 727 and 731.
LCM(727,731) = 171×431×7271
LCM(727,731) = 531437
Factors of 727
List of positive integer factors of 727 that divides 727 without a remainder.
1, 727
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 727 and 731, than apply into the LCM equation.
GCF(727,731) = 1
LCM(727,731) = ( 727 × 731) / 1
LCM(727,731) = 531437 / 1
LCM(727,731) = 531437
(i) The LCM of 731 and 727 is associative
LCM of 727 and 731 = LCM of 731 and 727
1. What is the LCM of 727 and 731?
Answer: LCM of 727 and 731 is 531437.
2. What are the Factors of 727?
Answer: Factors of 727 are 1, 727. There are 2 integers that are factors of 727. The greatest factor of 727 is 727.
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 727 and 731?
Answer:
Least Common Multiple of 727 and 731 = 531437
Step 1: Find the prime factorization of 727
727 = 727
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 = 531437 = 17 x 43 x 727
Step 4: Therefore, the least common multiple of 727 and 731 is 531437.