Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1715 and 1723 the smallest integer that is 2954945 that is divisible by both numbers.
Least Common Multiple (LCM) of 1715 and 1723 is 2954945.
LCM(1715,1723) = 2954945
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 1715 and 1723. First we will calculate the prime factors of 1715 and 1723.
Prime Factorization of 1715
5 | 1715 |
7 | 343 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 1715 are 5,7. Prime factorization of 1715 in exponential form is:
1715 = 51×73
Prime Factorization of 1723
1723 | 1723 |
1 |
Prime factors of 1723 are 1723. Prime factorization of 1723 in exponential form is:
1723 = 17231
Now multiplying the highest exponent prime factors to calculate the LCM of 1715 and 1723.
LCM(1715,1723) = 51×73×17231
LCM(1715,1723) = 2954945
Factors of 1715
List of positive integer factors of 1715 that divides 1715 without a remainder.
1, 5, 7, 35, 49, 245, 343, 1715
Factors of 1723
List of positive integer factors of 1723 that divides 1723 without a remainder.
1, 1723
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1715 and 1723, than apply into the LCM equation.
GCF(1715,1723) = 1
LCM(1715,1723) = ( 1715 × 1723) / 1
LCM(1715,1723) = 2954945 / 1
LCM(1715,1723) = 2954945
(i) The LCM of 1723 and 1715 is associative
LCM of 1715 and 1723 = LCM of 1723 and 1715
1. What is the LCM of 1715 and 1723?
Answer: LCM of 1715 and 1723 is 2954945.
2. What are the Factors of 1715?
Answer: Factors of 1715 are 1, 5, 7, 35, 49, 245, 343, 1715. There are 8 integers that are factors of 1715. The greatest factor of 1715 is 1715.
3. What are the Factors of 1723?
Answer: Factors of 1723 are 1, 1723. There are 2 integers that are factors of 1723. The greatest factor of 1723 is 1723.
4. How to Find the LCM of 1715 and 1723?
Answer:
Least Common Multiple of 1715 and 1723 = 2954945
Step 1: Find the prime factorization of 1715
1715 = 5 x 7 x 7 x 7
Step 2: Find the prime factorization of 1723
1723 = 1723
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2954945 = 5 x 7 x 7 x 7 x 1723
Step 4: Therefore, the least common multiple of 1715 and 1723 is 2954945.