Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7977 and 7982 the smallest integer that is 63672414 that is divisible by both numbers.
Least Common Multiple (LCM) of 7977 and 7982 is 63672414.
LCM(7977,7982) = 63672414
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 7977 and 7982. First we will calculate the prime factors of 7977 and 7982.
Prime Factorization of 7977
3 | 7977 |
2659 | 2659 |
1 |
Prime factors of 7977 are 3,2659. Prime factorization of 7977 in exponential form is:
7977 = 31×26591
Prime Factorization of 7982
2 | 7982 |
13 | 3991 |
307 | 307 |
1 |
Prime factors of 7982 are 2, 13,307. Prime factorization of 7982 in exponential form is:
7982 = 21×131×3071
Now multiplying the highest exponent prime factors to calculate the LCM of 7977 and 7982.
LCM(7977,7982) = 21×31×131×3071×26591
LCM(7977,7982) = 63672414
Factors of 7977
List of positive integer factors of 7977 that divides 7977 without a remainder.
1, 3, 2659, 7977
Factors of 7982
List of positive integer factors of 7982 that divides 7982 without a remainder.
1, 2, 13, 26, 307, 614, 3991, 7982
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7977 and 7982, than apply into the LCM equation.
GCF(7977,7982) = 1
LCM(7977,7982) = ( 7977 × 7982) / 1
LCM(7977,7982) = 63672414 / 1
LCM(7977,7982) = 63672414
(i) The LCM of 7982 and 7977 is associative
LCM of 7977 and 7982 = LCM of 7982 and 7977
1. What is the LCM of 7977 and 7982?
Answer: LCM of 7977 and 7982 is 63672414.
2. What are the Factors of 7977?
Answer: Factors of 7977 are 1, 3, 2659, 7977. There are 4 integers that are factors of 7977. The greatest factor of 7977 is 7977.
3. What are the Factors of 7982?
Answer: Factors of 7982 are 1, 2, 13, 26, 307, 614, 3991, 7982. There are 8 integers that are factors of 7982. The greatest factor of 7982 is 7982.
4. How to Find the LCM of 7977 and 7982?
Answer:
Least Common Multiple of 7977 and 7982 = 63672414
Step 1: Find the prime factorization of 7977
7977 = 3 x 2659
Step 2: Find the prime factorization of 7982
7982 = 2 x 13 x 307
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 63672414 = 2 x 3 x 13 x 307 x 2659
Step 4: Therefore, the least common multiple of 7977 and 7982 is 63672414.