Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7800 and 7804 the smallest integer that is 15217800 that is divisible by both numbers.
Least Common Multiple (LCM) of 7800 and 7804 is 15217800.
LCM(7800,7804) = 15217800
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 7800 and 7804. First we will calculate the prime factors of 7800 and 7804.
Prime Factorization of 7800
2 | 7800 |
2 | 3900 |
2 | 1950 |
3 | 975 |
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 7800 are 2, 3, 5,13. Prime factorization of 7800 in exponential form is:
7800 = 23×31×52×131
Prime Factorization of 7804
2 | 7804 |
2 | 3902 |
1951 | 1951 |
1 |
Prime factors of 7804 are 2,1951. Prime factorization of 7804 in exponential form is:
7804 = 22×19511
Now multiplying the highest exponent prime factors to calculate the LCM of 7800 and 7804.
LCM(7800,7804) = 23×31×52×131×19511
LCM(7800,7804) = 15217800
Factors of 7800
List of positive integer factors of 7800 that divides 7800 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800
Factors of 7804
List of positive integer factors of 7804 that divides 7804 without a remainder.
1, 2, 4, 1951, 3902, 7804
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7800 and 7804, than apply into the LCM equation.
GCF(7800,7804) = 4
LCM(7800,7804) = ( 7800 × 7804) / 4
LCM(7800,7804) = 60871200 / 4
LCM(7800,7804) = 15217800
(i) The LCM of 7804 and 7800 is associative
LCM of 7800 and 7804 = LCM of 7804 and 7800
1. What is the LCM of 7800 and 7804?
Answer: LCM of 7800 and 7804 is 15217800.
2. What are the Factors of 7800?
Answer: Factors of 7800 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800. There are 48 integers that are factors of 7800. The greatest factor of 7800 is 7800.
3. What are the Factors of 7804?
Answer: Factors of 7804 are 1, 2, 4, 1951, 3902, 7804. There are 6 integers that are factors of 7804. The greatest factor of 7804 is 7804.
4. How to Find the LCM of 7800 and 7804?
Answer:
Least Common Multiple of 7800 and 7804 = 15217800
Step 1: Find the prime factorization of 7800
7800 = 2 x 2 x 2 x 3 x 5 x 5 x 13
Step 2: Find the prime factorization of 7804
7804 = 2 x 2 x 1951
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15217800 = 2 x 2 x 2 x 3 x 5 x 5 x 13 x 1951
Step 4: Therefore, the least common multiple of 7800 and 7804 is 15217800.