Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7882 and 7888 the smallest integer that is 31086608 that is divisible by both numbers.
Least Common Multiple (LCM) of 7882 and 7888 is 31086608.
LCM(7882,7888) = 31086608
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 7882 and 7888. First we will calculate the prime factors of 7882 and 7888.
Prime Factorization of 7882
2 | 7882 |
7 | 3941 |
563 | 563 |
1 |
Prime factors of 7882 are 2, 7,563. Prime factorization of 7882 in exponential form is:
7882 = 21×71×5631
Prime Factorization of 7888
2 | 7888 |
2 | 3944 |
2 | 1972 |
2 | 986 |
17 | 493 |
29 | 29 |
1 |
Prime factors of 7888 are 2, 17,29. Prime factorization of 7888 in exponential form is:
7888 = 24×171×291
Now multiplying the highest exponent prime factors to calculate the LCM of 7882 and 7888.
LCM(7882,7888) = 24×71×171×291×5631
LCM(7882,7888) = 31086608
Factors of 7882
List of positive integer factors of 7882 that divides 7882 without a remainder.
1, 2, 7, 14, 563, 1126, 3941, 7882
Factors of 7888
List of positive integer factors of 7888 that divides 7888 without a remainder.
1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7882 and 7888, than apply into the LCM equation.
GCF(7882,7888) = 2
LCM(7882,7888) = ( 7882 × 7888) / 2
LCM(7882,7888) = 62173216 / 2
LCM(7882,7888) = 31086608
(i) The LCM of 7888 and 7882 is associative
LCM of 7882 and 7888 = LCM of 7888 and 7882
1. What is the LCM of 7882 and 7888?
Answer: LCM of 7882 and 7888 is 31086608.
2. What are the Factors of 7882?
Answer: Factors of 7882 are 1, 2, 7, 14, 563, 1126, 3941, 7882. There are 8 integers that are factors of 7882. The greatest factor of 7882 is 7882.
3. What are the Factors of 7888?
Answer: Factors of 7888 are 1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888. There are 20 integers that are factors of 7888. The greatest factor of 7888 is 7888.
4. How to Find the LCM of 7882 and 7888?
Answer:
Least Common Multiple of 7882 and 7888 = 31086608
Step 1: Find the prime factorization of 7882
7882 = 2 x 7 x 563
Step 2: Find the prime factorization of 7888
7888 = 2 x 2 x 2 x 2 x 17 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 31086608 = 2 x 2 x 2 x 2 x 7 x 17 x 29 x 563
Step 4: Therefore, the least common multiple of 7882 and 7888 is 31086608.