Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 795 and 800 the smallest integer that is 127200 that is divisible by both numbers.
Least Common Multiple (LCM) of 795 and 800 is 127200.
LCM(795,800) = 127200
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 795 and 800. First we will calculate the prime factors of 795 and 800.
Prime Factorization of 795
3 | 795 |
5 | 265 |
53 | 53 |
1 |
Prime factors of 795 are 3, 5,53. Prime factorization of 795 in exponential form is:
795 = 31×51×531
Prime Factorization of 800
2 | 800 |
2 | 400 |
2 | 200 |
2 | 100 |
2 | 50 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 800 are 2,5. Prime factorization of 800 in exponential form is:
800 = 25×52
Now multiplying the highest exponent prime factors to calculate the LCM of 795 and 800.
LCM(795,800) = 25×31×52×531
LCM(795,800) = 127200
Factors of 795
List of positive integer factors of 795 that divides 795 without a remainder.
1, 3, 5, 15, 53, 159, 265, 795
Factors of 800
List of positive integer factors of 800 that divides 800 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 795 and 800, than apply into the LCM equation.
GCF(795,800) = 5
LCM(795,800) = ( 795 × 800) / 5
LCM(795,800) = 636000 / 5
LCM(795,800) = 127200
(i) The LCM of 800 and 795 is associative
LCM of 795 and 800 = LCM of 800 and 795
1. What is the LCM of 795 and 800?
Answer: LCM of 795 and 800 is 127200.
2. What are the Factors of 795?
Answer: Factors of 795 are 1, 3, 5, 15, 53, 159, 265, 795. There are 8 integers that are factors of 795. The greatest factor of 795 is 795.
3. What are the Factors of 800?
Answer: Factors of 800 are 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800. There are 18 integers that are factors of 800. The greatest factor of 800 is 800.
4. How to Find the LCM of 795 and 800?
Answer:
Least Common Multiple of 795 and 800 = 127200
Step 1: Find the prime factorization of 795
795 = 3 x 5 x 53
Step 2: Find the prime factorization of 800
800 = 2 x 2 x 2 x 2 x 2 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 127200 = 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 53
Step 4: Therefore, the least common multiple of 795 and 800 is 127200.