Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1373 and 1378 the smallest integer that is 1891994 that is divisible by both numbers.
Least Common Multiple (LCM) of 1373 and 1378 is 1891994.
LCM(1373,1378) = 1891994
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 1373 and 1378. First we will calculate the prime factors of 1373 and 1378.
Prime Factorization of 1373
1373 | 1373 |
1 |
Prime factors of 1373 are 1373. Prime factorization of 1373 in exponential form is:
1373 = 13731
Prime Factorization of 1378
2 | 1378 |
13 | 689 |
53 | 53 |
1 |
Prime factors of 1378 are 2, 13,53. Prime factorization of 1378 in exponential form is:
1378 = 21×131×531
Now multiplying the highest exponent prime factors to calculate the LCM of 1373 and 1378.
LCM(1373,1378) = 21×131×531×13731
LCM(1373,1378) = 1891994
Factors of 1373
List of positive integer factors of 1373 that divides 1373 without a remainder.
1, 1373
Factors of 1378
List of positive integer factors of 1378 that divides 1378 without a remainder.
1, 2, 13, 26, 53, 106, 689, 1378
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1373 and 1378, than apply into the LCM equation.
GCF(1373,1378) = 1
LCM(1373,1378) = ( 1373 × 1378) / 1
LCM(1373,1378) = 1891994 / 1
LCM(1373,1378) = 1891994
(i) The LCM of 1378 and 1373 is associative
LCM of 1373 and 1378 = LCM of 1378 and 1373
1. What is the LCM of 1373 and 1378?
Answer: LCM of 1373 and 1378 is 1891994.
2. What are the Factors of 1373?
Answer: Factors of 1373 are 1, 1373. There are 2 integers that are factors of 1373. The greatest factor of 1373 is 1373.
3. What are the Factors of 1378?
Answer: Factors of 1378 are 1, 2, 13, 26, 53, 106, 689, 1378. There are 8 integers that are factors of 1378. The greatest factor of 1378 is 1378.
4. How to Find the LCM of 1373 and 1378?
Answer:
Least Common Multiple of 1373 and 1378 = 1891994
Step 1: Find the prime factorization of 1373
1373 = 1373
Step 2: Find the prime factorization of 1378
1378 = 2 x 13 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1891994 = 2 x 13 x 53 x 1373
Step 4: Therefore, the least common multiple of 1373 and 1378 is 1891994.