Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 713 and 720 the smallest integer that is 513360 that is divisible by both numbers.
Least Common Multiple (LCM) of 713 and 720 is 513360.
LCM(713,720) = 513360
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 713 and 720. First we will calculate the prime factors of 713 and 720.
Prime Factorization of 713
23 | 713 |
31 | 31 |
1 |
Prime factors of 713 are 23,31. Prime factorization of 713 in exponential form is:
713 = 231×311
Prime Factorization of 720
2 | 720 |
2 | 360 |
2 | 180 |
2 | 90 |
3 | 45 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 720 are 2, 3,5. Prime factorization of 720 in exponential form is:
720 = 24×32×51
Now multiplying the highest exponent prime factors to calculate the LCM of 713 and 720.
LCM(713,720) = 24×32×51×231×311
LCM(713,720) = 513360
Factors of 713
List of positive integer factors of 713 that divides 713 without a remainder.
1, 23, 31, 713
Factors of 720
List of positive integer factors of 720 that divides 720 without a remainder.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 713 and 720, than apply into the LCM equation.
GCF(713,720) = 1
LCM(713,720) = ( 713 × 720) / 1
LCM(713,720) = 513360 / 1
LCM(713,720) = 513360
(i) The LCM of 720 and 713 is associative
LCM of 713 and 720 = LCM of 720 and 713
1. What is the LCM of 713 and 720?
Answer: LCM of 713 and 720 is 513360.
2. What are the Factors of 713?
Answer: Factors of 713 are 1, 23, 31, 713. There are 4 integers that are factors of 713. The greatest factor of 713 is 713.
3. What are the Factors of 720?
Answer: Factors of 720 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720. There are 30 integers that are factors of 720. The greatest factor of 720 is 720.
4. How to Find the LCM of 713 and 720?
Answer:
Least Common Multiple of 713 and 720 = 513360
Step 1: Find the prime factorization of 713
713 = 23 x 31
Step 2: Find the prime factorization of 720
720 = 2 x 2 x 2 x 2 x 3 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 513360 = 2 x 2 x 2 x 2 x 3 x 3 x 5 x 23 x 31
Step 4: Therefore, the least common multiple of 713 and 720 is 513360.