Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7797 and 7805 the smallest integer that is 60855585 that is divisible by both numbers.
Least Common Multiple (LCM) of 7797 and 7805 is 60855585.
LCM(7797,7805) = 60855585
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 7797 and 7805. First we will calculate the prime factors of 7797 and 7805.
Prime Factorization of 7797
3 | 7797 |
23 | 2599 |
113 | 113 |
1 |
Prime factors of 7797 are 3, 23,113. Prime factorization of 7797 in exponential form is:
7797 = 31×231×1131
Prime Factorization of 7805
5 | 7805 |
7 | 1561 |
223 | 223 |
1 |
Prime factors of 7805 are 5, 7,223. Prime factorization of 7805 in exponential form is:
7805 = 51×71×2231
Now multiplying the highest exponent prime factors to calculate the LCM of 7797 and 7805.
LCM(7797,7805) = 31×51×71×231×1131×2231
LCM(7797,7805) = 60855585
Factors of 7797
List of positive integer factors of 7797 that divides 7797 without a remainder.
1, 3, 23, 69, 113, 339, 2599, 7797
Factors of 7805
List of positive integer factors of 7805 that divides 7805 without a remainder.
1, 5, 7, 35, 223, 1115, 1561, 7805
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7797 and 7805, than apply into the LCM equation.
GCF(7797,7805) = 1
LCM(7797,7805) = ( 7797 × 7805) / 1
LCM(7797,7805) = 60855585 / 1
LCM(7797,7805) = 60855585
(i) The LCM of 7805 and 7797 is associative
LCM of 7797 and 7805 = LCM of 7805 and 7797
1. What is the LCM of 7797 and 7805?
Answer: LCM of 7797 and 7805 is 60855585.
2. What are the Factors of 7797?
Answer: Factors of 7797 are 1, 3, 23, 69, 113, 339, 2599, 7797. There are 8 integers that are factors of 7797. The greatest factor of 7797 is 7797.
3. What are the Factors of 7805?
Answer: Factors of 7805 are 1, 5, 7, 35, 223, 1115, 1561, 7805. There are 8 integers that are factors of 7805. The greatest factor of 7805 is 7805.
4. How to Find the LCM of 7797 and 7805?
Answer:
Least Common Multiple of 7797 and 7805 = 60855585
Step 1: Find the prime factorization of 7797
7797 = 3 x 23 x 113
Step 2: Find the prime factorization of 7805
7805 = 5 x 7 x 223
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 60855585 = 3 x 5 x 7 x 23 x 113 x 223
Step 4: Therefore, the least common multiple of 7797 and 7805 is 60855585.