Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1311 and 1316 the smallest integer that is 1725276 that is divisible by both numbers.
Least Common Multiple (LCM) of 1311 and 1316 is 1725276.
LCM(1311,1316) = 1725276
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 1311 and 1316. First we will calculate the prime factors of 1311 and 1316.
Prime Factorization of 1311
3 | 1311 |
19 | 437 |
23 | 23 |
1 |
Prime factors of 1311 are 3, 19,23. Prime factorization of 1311 in exponential form is:
1311 = 31×191×231
Prime Factorization of 1316
2 | 1316 |
2 | 658 |
7 | 329 |
47 | 47 |
1 |
Prime factors of 1316 are 2, 7,47. Prime factorization of 1316 in exponential form is:
1316 = 22×71×471
Now multiplying the highest exponent prime factors to calculate the LCM of 1311 and 1316.
LCM(1311,1316) = 22×31×71×191×231×471
LCM(1311,1316) = 1725276
Factors of 1311
List of positive integer factors of 1311 that divides 1311 without a remainder.
1, 3, 19, 23, 57, 69, 437, 1311
Factors of 1316
List of positive integer factors of 1316 that divides 1316 without a remainder.
1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1311 and 1316, than apply into the LCM equation.
GCF(1311,1316) = 1
LCM(1311,1316) = ( 1311 × 1316) / 1
LCM(1311,1316) = 1725276 / 1
LCM(1311,1316) = 1725276
(i) The LCM of 1316 and 1311 is associative
LCM of 1311 and 1316 = LCM of 1316 and 1311
1. What is the LCM of 1311 and 1316?
Answer: LCM of 1311 and 1316 is 1725276.
2. What are the Factors of 1311?
Answer: Factors of 1311 are 1, 3, 19, 23, 57, 69, 437, 1311. There are 8 integers that are factors of 1311. The greatest factor of 1311 is 1311.
3. What are the Factors of 1316?
Answer: Factors of 1316 are 1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316. There are 12 integers that are factors of 1316. The greatest factor of 1316 is 1316.
4. How to Find the LCM of 1311 and 1316?
Answer:
Least Common Multiple of 1311 and 1316 = 1725276
Step 1: Find the prime factorization of 1311
1311 = 3 x 19 x 23
Step 2: Find the prime factorization of 1316
1316 = 2 x 2 x 7 x 47
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1725276 = 2 x 2 x 3 x 7 x 19 x 23 x 47
Step 4: Therefore, the least common multiple of 1311 and 1316 is 1725276.