Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1365 and 1370 the smallest integer that is 374010 that is divisible by both numbers.
Least Common Multiple (LCM) of 1365 and 1370 is 374010.
LCM(1365,1370) = 374010
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 1365 and 1370. First we will calculate the prime factors of 1365 and 1370.
Prime Factorization of 1365
3 | 1365 |
5 | 455 |
7 | 91 |
13 | 13 |
1 |
Prime factors of 1365 are 3, 5, 7,13. Prime factorization of 1365 in exponential form is:
1365 = 31×51×71×131
Prime Factorization of 1370
2 | 1370 |
5 | 685 |
137 | 137 |
1 |
Prime factors of 1370 are 2, 5,137. Prime factorization of 1370 in exponential form is:
1370 = 21×51×1371
Now multiplying the highest exponent prime factors to calculate the LCM of 1365 and 1370.
LCM(1365,1370) = 21×31×51×71×131×1371
LCM(1365,1370) = 374010
Factors of 1365
List of positive integer factors of 1365 that divides 1365 without a remainder.
1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365
Factors of 1370
List of positive integer factors of 1370 that divides 1370 without a remainder.
1, 2, 5, 10, 137, 274, 685, 1370
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1365 and 1370, than apply into the LCM equation.
GCF(1365,1370) = 5
LCM(1365,1370) = ( 1365 × 1370) / 5
LCM(1365,1370) = 1870050 / 5
LCM(1365,1370) = 374010
(i) The LCM of 1370 and 1365 is associative
LCM of 1365 and 1370 = LCM of 1370 and 1365
1. What is the LCM of 1365 and 1370?
Answer: LCM of 1365 and 1370 is 374010.
2. What are the Factors of 1365?
Answer: Factors of 1365 are 1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365. There are 16 integers that are factors of 1365. The greatest factor of 1365 is 1365.
3. What are the Factors of 1370?
Answer: Factors of 1370 are 1, 2, 5, 10, 137, 274, 685, 1370. There are 8 integers that are factors of 1370. The greatest factor of 1370 is 1370.
4. How to Find the LCM of 1365 and 1370?
Answer:
Least Common Multiple of 1365 and 1370 = 374010
Step 1: Find the prime factorization of 1365
1365 = 3 x 5 x 7 x 13
Step 2: Find the prime factorization of 1370
1370 = 2 x 5 x 137
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 374010 = 2 x 3 x 5 x 7 x 13 x 137
Step 4: Therefore, the least common multiple of 1365 and 1370 is 374010.