Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1730 and 1731 the smallest integer that is 2994630 that is divisible by both numbers.
Least Common Multiple (LCM) of 1730 and 1731 is 2994630.
LCM(1730,1731) = 2994630
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 1730 and 1731. First we will calculate the prime factors of 1730 and 1731.
Prime Factorization of 1730
2 | 1730 |
5 | 865 |
173 | 173 |
1 |
Prime factors of 1730 are 2, 5,173. Prime factorization of 1730 in exponential form is:
1730 = 21×51×1731
Prime Factorization of 1731
3 | 1731 |
577 | 577 |
1 |
Prime factors of 1731 are 3,577. Prime factorization of 1731 in exponential form is:
1731 = 31×5771
Now multiplying the highest exponent prime factors to calculate the LCM of 1730 and 1731.
LCM(1730,1731) = 21×31×51×1731×5771
LCM(1730,1731) = 2994630
Factors of 1730
List of positive integer factors of 1730 that divides 1730 without a remainder.
1, 2, 5, 10, 173, 346, 865, 1730
Factors of 1731
List of positive integer factors of 1731 that divides 1731 without a remainder.
1, 3, 577, 1731
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1730 and 1731, than apply into the LCM equation.
GCF(1730,1731) = 1
LCM(1730,1731) = ( 1730 × 1731) / 1
LCM(1730,1731) = 2994630 / 1
LCM(1730,1731) = 2994630
(i) The LCM of 1731 and 1730 is associative
LCM of 1730 and 1731 = LCM of 1731 and 1730
1. What is the LCM of 1730 and 1731?
Answer: LCM of 1730 and 1731 is 2994630.
2. What are the Factors of 1730?
Answer: Factors of 1730 are 1, 2, 5, 10, 173, 346, 865, 1730. There are 8 integers that are factors of 1730. The greatest factor of 1730 is 1730.
3. What are the Factors of 1731?
Answer: Factors of 1731 are 1, 3, 577, 1731. There are 4 integers that are factors of 1731. The greatest factor of 1731 is 1731.
4. How to Find the LCM of 1730 and 1731?
Answer:
Least Common Multiple of 1730 and 1731 = 2994630
Step 1: Find the prime factorization of 1730
1730 = 2 x 5 x 173
Step 2: Find the prime factorization of 1731
1731 = 3 x 577
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2994630 = 2 x 3 x 5 x 173 x 577
Step 4: Therefore, the least common multiple of 1730 and 1731 is 2994630.