Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7792 and 7800 the smallest integer that is 7597200 that is divisible by both numbers.
Least Common Multiple (LCM) of 7792 and 7800 is 7597200.
LCM(7792,7800) = 7597200
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 7792 and 7800. First we will calculate the prime factors of 7792 and 7800.
Prime Factorization of 7792
2 | 7792 |
2 | 3896 |
2 | 1948 |
2 | 974 |
487 | 487 |
1 |
Prime factors of 7792 are 2,487. Prime factorization of 7792 in exponential form is:
7792 = 24×4871
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
Now multiplying the highest exponent prime factors to calculate the LCM of 7792 and 7800.
LCM(7792,7800) = 24×31×52×131×4871
LCM(7792,7800) = 7597200
Factors of 7792
List of positive integer factors of 7792 that divides 7792 without a remainder.
1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7792 and 7800, than apply into the LCM equation.
GCF(7792,7800) = 8
LCM(7792,7800) = ( 7792 × 7800) / 8
LCM(7792,7800) = 60777600 / 8
LCM(7792,7800) = 7597200
(i) The LCM of 7800 and 7792 is associative
LCM of 7792 and 7800 = LCM of 7800 and 7792
1. What is the LCM of 7792 and 7800?
Answer: LCM of 7792 and 7800 is 7597200.
2. What are the Factors of 7792?
Answer: Factors of 7792 are 1, 2, 4, 8, 16, 487, 974, 1948, 3896, 7792. There are 10 integers that are factors of 7792. The greatest factor of 7792 is 7792.
3. 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.
4. How to Find the LCM of 7792 and 7800?
Answer:
Least Common Multiple of 7792 and 7800 = 7597200
Step 1: Find the prime factorization of 7792
7792 = 2 x 2 x 2 x 2 x 487
Step 2: Find the prime factorization of 7800
7800 = 2 x 2 x 2 x 3 x 5 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7597200 = 2 x 2 x 2 x 2 x 3 x 5 x 5 x 13 x 487
Step 4: Therefore, the least common multiple of 7792 and 7800 is 7597200.