Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7959 and 7965 the smallest integer that is 21131145 that is divisible by both numbers.
Least Common Multiple (LCM) of 7959 and 7965 is 21131145.
LCM(7959,7965) = 21131145
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 7959 and 7965. First we will calculate the prime factors of 7959 and 7965.
Prime Factorization of 7959
3 | 7959 |
7 | 2653 |
379 | 379 |
1 |
Prime factors of 7959 are 3, 7,379. Prime factorization of 7959 in exponential form is:
7959 = 31×71×3791
Prime Factorization of 7965
3 | 7965 |
3 | 2655 |
3 | 885 |
5 | 295 |
59 | 59 |
1 |
Prime factors of 7965 are 3, 5,59. Prime factorization of 7965 in exponential form is:
7965 = 33×51×591
Now multiplying the highest exponent prime factors to calculate the LCM of 7959 and 7965.
LCM(7959,7965) = 33×51×71×591×3791
LCM(7959,7965) = 21131145
Factors of 7959
List of positive integer factors of 7959 that divides 7959 without a remainder.
1, 3, 7, 21, 379, 1137, 2653, 7959
Factors of 7965
List of positive integer factors of 7965 that divides 7965 without a remainder.
1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7959 and 7965, than apply into the LCM equation.
GCF(7959,7965) = 3
LCM(7959,7965) = ( 7959 × 7965) / 3
LCM(7959,7965) = 63393435 / 3
LCM(7959,7965) = 21131145
(i) The LCM of 7965 and 7959 is associative
LCM of 7959 and 7965 = LCM of 7965 and 7959
1. What is the LCM of 7959 and 7965?
Answer: LCM of 7959 and 7965 is 21131145.
2. What are the Factors of 7959?
Answer: Factors of 7959 are 1, 3, 7, 21, 379, 1137, 2653, 7959. There are 8 integers that are factors of 7959. The greatest factor of 7959 is 7959.
3. What are the Factors of 7965?
Answer: Factors of 7965 are 1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 295, 531, 885, 1593, 2655, 7965. There are 16 integers that are factors of 7965. The greatest factor of 7965 is 7965.
4. How to Find the LCM of 7959 and 7965?
Answer:
Least Common Multiple of 7959 and 7965 = 21131145
Step 1: Find the prime factorization of 7959
7959 = 3 x 7 x 379
Step 2: Find the prime factorization of 7965
7965 = 3 x 3 x 3 x 5 x 59
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 21131145 = 3 x 3 x 3 x 5 x 7 x 59 x 379
Step 4: Therefore, the least common multiple of 7959 and 7965 is 21131145.