Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1383 and 1388 the smallest integer that is 1919604 that is divisible by both numbers.
Least Common Multiple (LCM) of 1383 and 1388 is 1919604.
LCM(1383,1388) = 1919604
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 1383 and 1388. First we will calculate the prime factors of 1383 and 1388.
Prime Factorization of 1383
3 | 1383 |
461 | 461 |
1 |
Prime factors of 1383 are 3,461. Prime factorization of 1383 in exponential form is:
1383 = 31×4611
Prime Factorization of 1388
2 | 1388 |
2 | 694 |
347 | 347 |
1 |
Prime factors of 1388 are 2,347. Prime factorization of 1388 in exponential form is:
1388 = 22×3471
Now multiplying the highest exponent prime factors to calculate the LCM of 1383 and 1388.
LCM(1383,1388) = 22×31×3471×4611
LCM(1383,1388) = 1919604
Factors of 1383
List of positive integer factors of 1383 that divides 1383 without a remainder.
1, 3, 461, 1383
Factors of 1388
List of positive integer factors of 1388 that divides 1388 without a remainder.
1, 2, 4, 347, 694, 1388
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1383 and 1388, than apply into the LCM equation.
GCF(1383,1388) = 1
LCM(1383,1388) = ( 1383 × 1388) / 1
LCM(1383,1388) = 1919604 / 1
LCM(1383,1388) = 1919604
(i) The LCM of 1388 and 1383 is associative
LCM of 1383 and 1388 = LCM of 1388 and 1383
1. What is the LCM of 1383 and 1388?
Answer: LCM of 1383 and 1388 is 1919604.
2. What are the Factors of 1383?
Answer: Factors of 1383 are 1, 3, 461, 1383. There are 4 integers that are factors of 1383. The greatest factor of 1383 is 1383.
3. What are the Factors of 1388?
Answer: Factors of 1388 are 1, 2, 4, 347, 694, 1388. There are 6 integers that are factors of 1388. The greatest factor of 1388 is 1388.
4. How to Find the LCM of 1383 and 1388?
Answer:
Least Common Multiple of 1383 and 1388 = 1919604
Step 1: Find the prime factorization of 1383
1383 = 3 x 461
Step 2: Find the prime factorization of 1388
1388 = 2 x 2 x 347
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1919604 = 2 x 2 x 3 x 347 x 461
Step 4: Therefore, the least common multiple of 1383 and 1388 is 1919604.