Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6980 and 6986 the smallest integer that is 24381140 that is divisible by both numbers.
Least Common Multiple (LCM) of 6980 and 6986 is 24381140.
LCM(6980,6986) = 24381140
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 6980 and 6986. First we will calculate the prime factors of 6980 and 6986.
Prime Factorization of 6980
2 | 6980 |
2 | 3490 |
5 | 1745 |
349 | 349 |
1 |
Prime factors of 6980 are 2, 5,349. Prime factorization of 6980 in exponential form is:
6980 = 22×51×3491
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
Now multiplying the highest exponent prime factors to calculate the LCM of 6980 and 6986.
LCM(6980,6986) = 22×51×71×3491×4991
LCM(6980,6986) = 24381140
Factors of 6980
List of positive integer factors of 6980 that divides 6980 without a remainder.
1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980
Factors of 6986
List of positive integer factors of 6986 that divides 6986 without a remainder.
1, 2, 7, 14, 499, 998, 3493, 6986
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6980 and 6986, than apply into the LCM equation.
GCF(6980,6986) = 2
LCM(6980,6986) = ( 6980 × 6986) / 2
LCM(6980,6986) = 48762280 / 2
LCM(6980,6986) = 24381140
(i) The LCM of 6986 and 6980 is associative
LCM of 6980 and 6986 = LCM of 6986 and 6980
1. What is the LCM of 6980 and 6986?
Answer: LCM of 6980 and 6986 is 24381140.
2. What are the Factors of 6980?
Answer: Factors of 6980 are 1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980. There are 12 integers that are factors of 6980. The greatest factor of 6980 is 6980.
3. 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.
4. How to Find the LCM of 6980 and 6986?
Answer:
Least Common Multiple of 6980 and 6986 = 24381140
Step 1: Find the prime factorization of 6980
6980 = 2 x 2 x 5 x 349
Step 2: Find the prime factorization of 6986
6986 = 2 x 7 x 499
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24381140 = 2 x 2 x 5 x 7 x 349 x 499
Step 4: Therefore, the least common multiple of 6980 and 6986 is 24381140.