Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1746 and 1749 the smallest integer that is 1017918 that is divisible by both numbers.
Least Common Multiple (LCM) of 1746 and 1749 is 1017918.
LCM(1746,1749) = 1017918
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 1746 and 1749. First we will calculate the prime factors of 1746 and 1749.
Prime Factorization of 1746
2 | 1746 |
3 | 873 |
3 | 291 |
97 | 97 |
1 |
Prime factors of 1746 are 2, 3,97. Prime factorization of 1746 in exponential form is:
1746 = 21×32×971
Prime Factorization of 1749
3 | 1749 |
11 | 583 |
53 | 53 |
1 |
Prime factors of 1749 are 3, 11,53. Prime factorization of 1749 in exponential form is:
1749 = 31×111×531
Now multiplying the highest exponent prime factors to calculate the LCM of 1746 and 1749.
LCM(1746,1749) = 21×32×111×531×971
LCM(1746,1749) = 1017918
Factors of 1746
List of positive integer factors of 1746 that divides 1746 without a remainder.
1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746
Factors of 1749
List of positive integer factors of 1749 that divides 1749 without a remainder.
1, 3, 11, 33, 53, 159, 583, 1749
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1746 and 1749, than apply into the LCM equation.
GCF(1746,1749) = 3
LCM(1746,1749) = ( 1746 × 1749) / 3
LCM(1746,1749) = 3053754 / 3
LCM(1746,1749) = 1017918
(i) The LCM of 1749 and 1746 is associative
LCM of 1746 and 1749 = LCM of 1749 and 1746
1. What is the LCM of 1746 and 1749?
Answer: LCM of 1746 and 1749 is 1017918.
2. What are the Factors of 1746?
Answer: Factors of 1746 are 1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746. There are 12 integers that are factors of 1746. The greatest factor of 1746 is 1746.
3. What are the Factors of 1749?
Answer: Factors of 1749 are 1, 3, 11, 33, 53, 159, 583, 1749. There are 8 integers that are factors of 1749. The greatest factor of 1749 is 1749.
4. How to Find the LCM of 1746 and 1749?
Answer:
Least Common Multiple of 1746 and 1749 = 1017918
Step 1: Find the prime factorization of 1746
1746 = 2 x 3 x 3 x 97
Step 2: Find the prime factorization of 1749
1749 = 3 x 11 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1017918 = 2 x 3 x 3 x 11 x 53 x 97
Step 4: Therefore, the least common multiple of 1746 and 1749 is 1017918.