Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7688 and 7692 the smallest integer that is 14784024 that is divisible by both numbers.
Least Common Multiple (LCM) of 7688 and 7692 is 14784024.
LCM(7688,7692) = 14784024
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 7688 and 7692. First we will calculate the prime factors of 7688 and 7692.
Prime Factorization of 7688
2 | 7688 |
2 | 3844 |
2 | 1922 |
31 | 961 |
31 | 31 |
1 |
Prime factors of 7688 are 2,31. Prime factorization of 7688 in exponential form is:
7688 = 23×312
Prime Factorization of 7692
2 | 7692 |
2 | 3846 |
3 | 1923 |
641 | 641 |
1 |
Prime factors of 7692 are 2, 3,641. Prime factorization of 7692 in exponential form is:
7692 = 22×31×6411
Now multiplying the highest exponent prime factors to calculate the LCM of 7688 and 7692.
LCM(7688,7692) = 23×31×312×6411
LCM(7688,7692) = 14784024
Factors of 7688
List of positive integer factors of 7688 that divides 7688 without a remainder.
1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 3844, 7688
Factors of 7692
List of positive integer factors of 7692 that divides 7692 without a remainder.
1, 2, 3, 4, 6, 12, 641, 1282, 1923, 2564, 3846, 7692
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7688 and 7692, than apply into the LCM equation.
GCF(7688,7692) = 4
LCM(7688,7692) = ( 7688 × 7692) / 4
LCM(7688,7692) = 59136096 / 4
LCM(7688,7692) = 14784024
(i) The LCM of 7692 and 7688 is associative
LCM of 7688 and 7692 = LCM of 7692 and 7688
1. What is the LCM of 7688 and 7692?
Answer: LCM of 7688 and 7692 is 14784024.
2. What are the Factors of 7688?
Answer: Factors of 7688 are 1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 3844, 7688. There are 12 integers that are factors of 7688. The greatest factor of 7688 is 7688.
3. What are the Factors of 7692?
Answer: Factors of 7692 are 1, 2, 3, 4, 6, 12, 641, 1282, 1923, 2564, 3846, 7692. There are 12 integers that are factors of 7692. The greatest factor of 7692 is 7692.
4. How to Find the LCM of 7688 and 7692?
Answer:
Least Common Multiple of 7688 and 7692 = 14784024
Step 1: Find the prime factorization of 7688
7688 = 2 x 2 x 2 x 31 x 31
Step 2: Find the prime factorization of 7692
7692 = 2 x 2 x 3 x 641
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 14784024 = 2 x 2 x 2 x 3 x 31 x 31 x 641
Step 4: Therefore, the least common multiple of 7688 and 7692 is 14784024.