Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1756 and 1761 the smallest integer that is 3092316 that is divisible by both numbers.
Least Common Multiple (LCM) of 1756 and 1761 is 3092316.
LCM(1756,1761) = 3092316
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 1756 and 1761. First we will calculate the prime factors of 1756 and 1761.
Prime Factorization of 1756
2 | 1756 |
2 | 878 |
439 | 439 |
1 |
Prime factors of 1756 are 2,439. Prime factorization of 1756 in exponential form is:
1756 = 22×4391
Prime Factorization of 1761
3 | 1761 |
587 | 587 |
1 |
Prime factors of 1761 are 3,587. Prime factorization of 1761 in exponential form is:
1761 = 31×5871
Now multiplying the highest exponent prime factors to calculate the LCM of 1756 and 1761.
LCM(1756,1761) = 22×31×4391×5871
LCM(1756,1761) = 3092316
Factors of 1756
List of positive integer factors of 1756 that divides 1756 without a remainder.
1, 2, 4, 439, 878, 1756
Factors of 1761
List of positive integer factors of 1761 that divides 1761 without a remainder.
1, 3, 587, 1761
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1756 and 1761, than apply into the LCM equation.
GCF(1756,1761) = 1
LCM(1756,1761) = ( 1756 × 1761) / 1
LCM(1756,1761) = 3092316 / 1
LCM(1756,1761) = 3092316
(i) The LCM of 1761 and 1756 is associative
LCM of 1756 and 1761 = LCM of 1761 and 1756
1. What is the LCM of 1756 and 1761?
Answer: LCM of 1756 and 1761 is 3092316.
2. What are the Factors of 1756?
Answer: Factors of 1756 are 1, 2, 4, 439, 878, 1756. There are 6 integers that are factors of 1756. The greatest factor of 1756 is 1756.
3. What are the Factors of 1761?
Answer: Factors of 1761 are 1, 3, 587, 1761. There are 4 integers that are factors of 1761. The greatest factor of 1761 is 1761.
4. How to Find the LCM of 1756 and 1761?
Answer:
Least Common Multiple of 1756 and 1761 = 3092316
Step 1: Find the prime factorization of 1756
1756 = 2 x 2 x 439
Step 2: Find the prime factorization of 1761
1761 = 3 x 587
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3092316 = 2 x 2 x 3 x 439 x 587
Step 4: Therefore, the least common multiple of 1756 and 1761 is 3092316.