Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1312 and 1317 the smallest integer that is 1727904 that is divisible by both numbers.
Least Common Multiple (LCM) of 1312 and 1317 is 1727904.
LCM(1312,1317) = 1727904
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 1312 and 1317. First we will calculate the prime factors of 1312 and 1317.
Prime Factorization of 1312
2 | 1312 |
2 | 656 |
2 | 328 |
2 | 164 |
2 | 82 |
41 | 41 |
1 |
Prime factors of 1312 are 2,41. Prime factorization of 1312 in exponential form is:
1312 = 25×411
Prime Factorization of 1317
3 | 1317 |
439 | 439 |
1 |
Prime factors of 1317 are 3,439. Prime factorization of 1317 in exponential form is:
1317 = 31×4391
Now multiplying the highest exponent prime factors to calculate the LCM of 1312 and 1317.
LCM(1312,1317) = 25×31×411×4391
LCM(1312,1317) = 1727904
Factors of 1312
List of positive integer factors of 1312 that divides 1312 without a remainder.
1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312
Factors of 1317
List of positive integer factors of 1317 that divides 1317 without a remainder.
1, 3, 439, 1317
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1312 and 1317, than apply into the LCM equation.
GCF(1312,1317) = 1
LCM(1312,1317) = ( 1312 × 1317) / 1
LCM(1312,1317) = 1727904 / 1
LCM(1312,1317) = 1727904
(i) The LCM of 1317 and 1312 is associative
LCM of 1312 and 1317 = LCM of 1317 and 1312
1. What is the LCM of 1312 and 1317?
Answer: LCM of 1312 and 1317 is 1727904.
2. What are the Factors of 1312?
Answer: Factors of 1312 are 1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312. There are 12 integers that are factors of 1312. The greatest factor of 1312 is 1312.
3. What are the Factors of 1317?
Answer: Factors of 1317 are 1, 3, 439, 1317. There are 4 integers that are factors of 1317. The greatest factor of 1317 is 1317.
4. How to Find the LCM of 1312 and 1317?
Answer:
Least Common Multiple of 1312 and 1317 = 1727904
Step 1: Find the prime factorization of 1312
1312 = 2 x 2 x 2 x 2 x 2 x 41
Step 2: Find the prime factorization of 1317
1317 = 3 x 439
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1727904 = 2 x 2 x 2 x 2 x 2 x 3 x 41 x 439
Step 4: Therefore, the least common multiple of 1312 and 1317 is 1727904.