Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 731 and 739 the smallest integer that is 540209 that is divisible by both numbers.
Least Common Multiple (LCM) of 731 and 739 is 540209.
LCM(731,739) = 540209
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 731 and 739. First we will calculate the prime factors of 731 and 739.
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
Prime Factorization of 739
739 | 739 |
1 |
Prime factors of 739 are 739. Prime factorization of 739 in exponential form is:
739 = 7391
Now multiplying the highest exponent prime factors to calculate the LCM of 731 and 739.
LCM(731,739) = 171×431×7391
LCM(731,739) = 540209
Factors of 731
List of positive integer factors of 731 that divides 731 without a remainder.
1, 17, 43, 731
Factors of 739
List of positive integer factors of 739 that divides 739 without a remainder.
1, 739
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 731 and 739, than apply into the LCM equation.
GCF(731,739) = 1
LCM(731,739) = ( 731 × 739) / 1
LCM(731,739) = 540209 / 1
LCM(731,739) = 540209
(i) The LCM of 739 and 731 is associative
LCM of 731 and 739 = LCM of 739 and 731
1. What is the LCM of 731 and 739?
Answer: LCM of 731 and 739 is 540209.
2. 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.
3. What are the Factors of 739?
Answer: Factors of 739 are 1, 739. There are 2 integers that are factors of 739. The greatest factor of 739 is 739.
4. How to Find the LCM of 731 and 739?
Answer:
Least Common Multiple of 731 and 739 = 540209
Step 1: Find the prime factorization of 731
731 = 17 x 43
Step 2: Find the prime factorization of 739
739 = 739
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 540209 = 17 x 43 x 739
Step 4: Therefore, the least common multiple of 731 and 739 is 540209.