Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 722 and 723 the smallest integer that is 522006 that is divisible by both numbers.
Least Common Multiple (LCM) of 722 and 723 is 522006.
LCM(722,723) = 522006
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 722 and 723. First we will calculate the prime factors of 722 and 723.
Prime Factorization of 722
2 | 722 |
19 | 361 |
19 | 19 |
1 |
Prime factors of 722 are 2,19. Prime factorization of 722 in exponential form is:
722 = 21×192
Prime Factorization of 723
3 | 723 |
241 | 241 |
1 |
Prime factors of 723 are 3,241. Prime factorization of 723 in exponential form is:
723 = 31×2411
Now multiplying the highest exponent prime factors to calculate the LCM of 722 and 723.
LCM(722,723) = 21×31×192×2411
LCM(722,723) = 522006
Factors of 722
List of positive integer factors of 722 that divides 722 without a remainder.
1, 2, 19, 38, 361, 722
Factors of 723
List of positive integer factors of 723 that divides 723 without a remainder.
1, 3, 241, 723
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 722 and 723, than apply into the LCM equation.
GCF(722,723) = 1
LCM(722,723) = ( 722 × 723) / 1
LCM(722,723) = 522006 / 1
LCM(722,723) = 522006
(i) The LCM of 723 and 722 is associative
LCM of 722 and 723 = LCM of 723 and 722
1. What is the LCM of 722 and 723?
Answer: LCM of 722 and 723 is 522006.
2. What are the Factors of 722?
Answer: Factors of 722 are 1, 2, 19, 38, 361, 722. There are 6 integers that are factors of 722. The greatest factor of 722 is 722.
3. What are the Factors of 723?
Answer: Factors of 723 are 1, 3, 241, 723. There are 4 integers that are factors of 723. The greatest factor of 723 is 723.
4. How to Find the LCM of 722 and 723?
Answer:
Least Common Multiple of 722 and 723 = 522006
Step 1: Find the prime factorization of 722
722 = 2 x 19 x 19
Step 2: Find the prime factorization of 723
723 = 3 x 241
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 522006 = 2 x 3 x 19 x 19 x 241
Step 4: Therefore, the least common multiple of 722 and 723 is 522006.