Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1724 and 1730 the smallest integer that is 1491260 that is divisible by both numbers.
Least Common Multiple (LCM) of 1724 and 1730 is 1491260.
LCM(1724,1730) = 1491260
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 1724 and 1730. First we will calculate the prime factors of 1724 and 1730.
Prime Factorization of 1724
2 | 1724 |
2 | 862 |
431 | 431 |
1 |
Prime factors of 1724 are 2,431. Prime factorization of 1724 in exponential form is:
1724 = 22×4311
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1724 and 1730.
LCM(1724,1730) = 22×51×1731×4311
LCM(1724,1730) = 1491260
Factors of 1724
List of positive integer factors of 1724 that divides 1724 without a remainder.
1, 2, 4, 431, 862, 1724
Factors of 1730
List of positive integer factors of 1730 that divides 1730 without a remainder.
1, 2, 5, 10, 173, 346, 865, 1730
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1724 and 1730, than apply into the LCM equation.
GCF(1724,1730) = 2
LCM(1724,1730) = ( 1724 × 1730) / 2
LCM(1724,1730) = 2982520 / 2
LCM(1724,1730) = 1491260
(i) The LCM of 1730 and 1724 is associative
LCM of 1724 and 1730 = LCM of 1730 and 1724
1. What is the LCM of 1724 and 1730?
Answer: LCM of 1724 and 1730 is 1491260.
2. What are the Factors of 1724?
Answer: Factors of 1724 are 1, 2, 4, 431, 862, 1724. There are 6 integers that are factors of 1724. The greatest factor of 1724 is 1724.
3. 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.
4. How to Find the LCM of 1724 and 1730?
Answer:
Least Common Multiple of 1724 and 1730 = 1491260
Step 1: Find the prime factorization of 1724
1724 = 2 x 2 x 431
Step 2: Find the prime factorization of 1730
1730 = 2 x 5 x 173
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1491260 = 2 x 2 x 5 x 173 x 431
Step 4: Therefore, the least common multiple of 1724 and 1730 is 1491260.