Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 3976 and 3982 the smallest integer that is 7916216 that is divisible by both numbers.
Least Common Multiple (LCM) of 3976 and 3982 is 7916216.
LCM(3976,3982) = 7916216
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 3976 and 3982. First we will calculate the prime factors of 3976 and 3982.
Prime Factorization of 3976
2 | 3976 |
2 | 1988 |
2 | 994 |
7 | 497 |
71 | 71 |
1 |
Prime factors of 3976 are 2, 7,71. Prime factorization of 3976 in exponential form is:
3976 = 23×71×711
Prime Factorization of 3982
2 | 3982 |
11 | 1991 |
181 | 181 |
1 |
Prime factors of 3982 are 2, 11,181. Prime factorization of 3982 in exponential form is:
3982 = 21×111×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 3976 and 3982.
LCM(3976,3982) = 23×71×111×711×1811
LCM(3976,3982) = 7916216
Factors of 3976
List of positive integer factors of 3976 that divides 3976 without a remainder.
1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976
Factors of 3982
List of positive integer factors of 3982 that divides 3982 without a remainder.
1, 2, 11, 22, 181, 362, 1991, 3982
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3976 and 3982, than apply into the LCM equation.
GCF(3976,3982) = 2
LCM(3976,3982) = ( 3976 × 3982) / 2
LCM(3976,3982) = 15832432 / 2
LCM(3976,3982) = 7916216
(i) The LCM of 3982 and 3976 is associative
LCM of 3976 and 3982 = LCM of 3982 and 3976
1. What is the LCM of 3976 and 3982?
Answer: LCM of 3976 and 3982 is 7916216.
2. What are the Factors of 3976?
Answer: Factors of 3976 are 1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976. There are 16 integers that are factors of 3976. The greatest factor of 3976 is 3976.
3. What are the Factors of 3982?
Answer: Factors of 3982 are 1, 2, 11, 22, 181, 362, 1991, 3982. There are 8 integers that are factors of 3982. The greatest factor of 3982 is 3982.
4. How to Find the LCM of 3976 and 3982?
Answer:
Least Common Multiple of 3976 and 3982 = 7916216
Step 1: Find the prime factorization of 3976
3976 = 2 x 2 x 2 x 7 x 71
Step 2: Find the prime factorization of 3982
3982 = 2 x 11 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7916216 = 2 x 2 x 2 x 7 x 11 x 71 x 181
Step 4: Therefore, the least common multiple of 3976 and 3982 is 7916216.