Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6986 and 6993 the smallest integer that is 6979014 that is divisible by both numbers.
Least Common Multiple (LCM) of 6986 and 6993 is 6979014.
LCM(6986,6993) = 6979014
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 6986 and 6993. First we will calculate the prime factors of 6986 and 6993.
Prime Factorization of 6986
2 | 6986 |
7 | 3493 |
499 | 499 |
1 |
Prime factors of 6986 are 2, 7,499. Prime factorization of 6986 in exponential form is:
6986 = 21×71×4991
Prime Factorization of 6993
3 | 6993 |
3 | 2331 |
3 | 777 |
7 | 259 |
37 | 37 |
1 |
Prime factors of 6993 are 3, 7,37. Prime factorization of 6993 in exponential form is:
6993 = 33×71×371
Now multiplying the highest exponent prime factors to calculate the LCM of 6986 and 6993.
LCM(6986,6993) = 21×33×71×371×4991
LCM(6986,6993) = 6979014
Factors of 6986
List of positive integer factors of 6986 that divides 6986 without a remainder.
1, 2, 7, 14, 499, 998, 3493, 6986
Factors of 6993
List of positive integer factors of 6993 that divides 6993 without a remainder.
1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6986 and 6993, than apply into the LCM equation.
GCF(6986,6993) = 7
LCM(6986,6993) = ( 6986 × 6993) / 7
LCM(6986,6993) = 48853098 / 7
LCM(6986,6993) = 6979014
(i) The LCM of 6993 and 6986 is associative
LCM of 6986 and 6993 = LCM of 6993 and 6986
1. What is the LCM of 6986 and 6993?
Answer: LCM of 6986 and 6993 is 6979014.
2. What are the Factors of 6986?
Answer: Factors of 6986 are 1, 2, 7, 14, 499, 998, 3493, 6986. There are 8 integers that are factors of 6986. The greatest factor of 6986 is 6986.
3. What are the Factors of 6993?
Answer: Factors of 6993 are 1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993. There are 16 integers that are factors of 6993. The greatest factor of 6993 is 6993.
4. How to Find the LCM of 6986 and 6993?
Answer:
Least Common Multiple of 6986 and 6993 = 6979014
Step 1: Find the prime factorization of 6986
6986 = 2 x 7 x 499
Step 2: Find the prime factorization of 6993
6993 = 3 x 3 x 3 x 7 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6979014 = 2 x 3 x 3 x 3 x 7 x 37 x 499
Step 4: Therefore, the least common multiple of 6986 and 6993 is 6979014.