Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1370 and 1375 the smallest integer that is 376750 that is divisible by both numbers.
Least Common Multiple (LCM) of 1370 and 1375 is 376750.
LCM(1370,1375) = 376750
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 1370 and 1375. First we will calculate the prime factors of 1370 and 1375.
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
Prime Factorization of 1375
5 | 1375 |
5 | 275 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 1375 are 5,11. Prime factorization of 1375 in exponential form is:
1375 = 53×111
Now multiplying the highest exponent prime factors to calculate the LCM of 1370 and 1375.
LCM(1370,1375) = 21×53×111×1371
LCM(1370,1375) = 376750
Factors of 1370
List of positive integer factors of 1370 that divides 1370 without a remainder.
1, 2, 5, 10, 137, 274, 685, 1370
Factors of 1375
List of positive integer factors of 1375 that divides 1375 without a remainder.
1, 5, 11, 25, 55, 125, 275, 1375
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1370 and 1375, than apply into the LCM equation.
GCF(1370,1375) = 5
LCM(1370,1375) = ( 1370 × 1375) / 5
LCM(1370,1375) = 1883750 / 5
LCM(1370,1375) = 376750
(i) The LCM of 1375 and 1370 is associative
LCM of 1370 and 1375 = LCM of 1375 and 1370
1. What is the LCM of 1370 and 1375?
Answer: LCM of 1370 and 1375 is 376750.
2. 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.
3. What are the Factors of 1375?
Answer: Factors of 1375 are 1, 5, 11, 25, 55, 125, 275, 1375. There are 8 integers that are factors of 1375. The greatest factor of 1375 is 1375.
4. How to Find the LCM of 1370 and 1375?
Answer:
Least Common Multiple of 1370 and 1375 = 376750
Step 1: Find the prime factorization of 1370
1370 = 2 x 5 x 137
Step 2: Find the prime factorization of 1375
1375 = 5 x 5 x 5 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 376750 = 2 x 5 x 5 x 5 x 11 x 137
Step 4: Therefore, the least common multiple of 1370 and 1375 is 376750.