Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1386 and 1393 the smallest integer that is 275814 that is divisible by both numbers.
Least Common Multiple (LCM) of 1386 and 1393 is 275814.
LCM(1386,1393) = 275814
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 1386 and 1393. First we will calculate the prime factors of 1386 and 1393.
Prime Factorization of 1386
2 | 1386 |
3 | 693 |
3 | 231 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 1386 are 2, 3, 7,11. Prime factorization of 1386 in exponential form is:
1386 = 21×32×71×111
Prime Factorization of 1393
7 | 1393 |
199 | 199 |
1 |
Prime factors of 1393 are 7,199. Prime factorization of 1393 in exponential form is:
1393 = 71×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 1386 and 1393.
LCM(1386,1393) = 21×32×71×111×1991
LCM(1386,1393) = 275814
Factors of 1386
List of positive integer factors of 1386 that divides 1386 without a remainder.
1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386
Factors of 1393
List of positive integer factors of 1393 that divides 1393 without a remainder.
1, 7, 199, 1393
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1386 and 1393, than apply into the LCM equation.
GCF(1386,1393) = 7
LCM(1386,1393) = ( 1386 × 1393) / 7
LCM(1386,1393) = 1930698 / 7
LCM(1386,1393) = 275814
(i) The LCM of 1393 and 1386 is associative
LCM of 1386 and 1393 = LCM of 1393 and 1386
1. What is the LCM of 1386 and 1393?
Answer: LCM of 1386 and 1393 is 275814.
2. What are the Factors of 1386?
Answer: Factors of 1386 are 1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386. There are 24 integers that are factors of 1386. The greatest factor of 1386 is 1386.
3. What are the Factors of 1393?
Answer: Factors of 1393 are 1, 7, 199, 1393. There are 4 integers that are factors of 1393. The greatest factor of 1393 is 1393.
4. How to Find the LCM of 1386 and 1393?
Answer:
Least Common Multiple of 1386 and 1393 = 275814
Step 1: Find the prime factorization of 1386
1386 = 2 x 3 x 3 x 7 x 11
Step 2: Find the prime factorization of 1393
1393 = 7 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 275814 = 2 x 3 x 3 x 7 x 11 x 199
Step 4: Therefore, the least common multiple of 1386 and 1393 is 275814.